Question bank for Class 7. 3. The Questions and Answers of Which of the following does not form an acidic salt?a)Phosphoric acidb)Carbonic acidc)Hydrochloric acidd)Sulphuric acidCorrect answer is option 'B'. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Which one of the following will turn red litmus blue? … This makes the salt acidic. Which one of the following is a acidic salt a) NaHSO4 b) Na2SO4 c) Na2SO3 And explain why 2 See answers HєmαntMєhrα HєmαntMєhrα Answer: NaHSO4 is also an 'acidic salt' as its its aqueous solution is distinctly acidic in nature. Which one of the following is acidic? (iii) Bulb will not glow because circuit is incomplete. is done on EduRev Study Group by Class 7 Students. This discussion on Which of the following does not form an acidic salt?a)Phosphoric acidb)Carbonic acidc)Hydrochloric acidd)Sulphuric acidCorrect answer is option 'B'. Out of 4 options, NaH2PO2 has no any replaceable H- atom. Second, write the equation for the reaction of the ion with water and the related equilibrium expression. Consider solutions of the five indicated salts dissolved in water. KCN is a basic salt. Can you explain this answer? 1214 Views (c) Lime water turns red litmus blue. (a) All substances are either acidic or basic. An acidic solution formed by acid salt is made during partial neutralization of diprotic or polyprotic acids. Which among the following statement)s) is (are) correct? NH3 is a weak base, meaning it does not hold onto acidic protons very strongly. LiCl, NaCl, KCl C.) NaCH3CO2, KCH3CO2, RbCH3CO2 D.) NaCl, NH4Cl, Na2CO3 The pH will remain neutral at 7. (b) A compound if acidic will turn all indicators red. It could contain either an excess of hydronium ions or an excess of hydroxide ions because the nature of the salt formed determines whether the solution is acidic, neutral, or basic. are solved by group of students and teacher of Class 7, which is also the largest student community of Class 7. Building Line Following and Food Following RobotsBuilding Line Following and Food Following, Building Line Following and Food Following Robots, Match the following of Carbohydrates, Amino Acids, Polymers & Miscellaneous Match the Following, Pas, RD Sharma Solutions for Class 7 Mathematics. Which one of the following is an acidic salt? Golu added 2 drops of solution ‘C’ but could not get any change in colour. Which of the following salts are acidic? The following is a more complicated scenario in which a salt contains a cation and an anion, both of which are capable of participating in hydrolysis. You may need to download version 2.0 now from the Chrome Web Store. Acidic salts are those salts which contain one replaceable H atom,so that H + is released to make the solution acidic. (a) A n ormal salt: Normal salts are the salts formed by the complete replacement of the ionizable hydrogen atoms of an acid by a metallic or an ammonium ion. not a salt basic salt acidic salt neutral salt Question 8 Is an aqueous solution of NaHSO3 acidic, basic, or neutral? (a) Sour taste (b) Sweet taste (c) Bitter […] A salt solution can be acidic, basic, or neutral. Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral? China rose solution in different medium shows following changes: China rose + acid → Give dark pink colour, hence A is an acidic … Which one could not possibly have the pH designated? Performance & security by Cloudflare, Please complete the security check to access. Which of the following best describe an aqueous solution of C2H5NH3Br? Which of the following does not form an acidic salt? Salts With Hydrolyzable Protons in the Anion. Predict whether the following solutions are acidic, basic, or nearly neutral: a. NaBr, b. K2SO3, c. NH4NO2, d. Cr(NO3). Carbonic acid does not form and acetic acid because it is a weak acid. Its formation as a substance has a greater electrical conductivity than that of the pure solvent. While it may seem that salt solutions would always be neutral, they can frequently be either acidic or basic. (d) Common salt dissolved in water turns blue litmus red. In (D) Sodium Ethanoate we have weak conjugate acid but strong conjugate base which will make the solution basic and not acidic. Salt Solution pH a. NaCl 7.00 b. NaF 8.16 c. NH 4 Cl 7.64 d. KCN 9.48 e. NH 4 NO 3 5.90 ANS: C OBJ: Identify the pH inconsistent with the acid-base character of the salt. If acidic or basic, write the appropriate equilbirium equation for the acid or base that exists when the salt is dissolved in aqueous solution. A salt is an ionic compound that is formed when an acid and a base neutralize each other. Which of the following does not form an acidic salt?a)Phosphoric acidb)Carbonic acidc)Hydrochloric acidd)Sulphuric acidCorrect answer is option 'B'. (i) Bulb will not glow because electrolyte is not acidic. over here on EduRev! Determine if the following salt is neutral, acidic or basic. This question has multiple correct options. When is a salt solution basic or acidic? (b) An acidic salt: Acid salts are formed by the partial replacement of the ionizable hydrogen atoms of … Can you explain this answer? Among all the acids given , carbonic acid is the weakest one. KCN(s) --> K + (aq) + CN-(aq) K + is a neutral ion and CN-is a basic ion. Suggest the possible cause for the variation in their results. Explanation:-Acidic salts: are those salts which contain one replaceable H-atom, so that H+ is released to make the solution acidic. (a) Lemon juice (b) Tomatoes (c) Milk (d) All. Can you explain this answer? (CH 3)NH 2 + H 3 O + (CH 3)NH 3 + + H 2 O; acidic 128. Carbonic acid as it is a weak acid. 1. For example: dibasic sulphuric acid yields sodium hydrogen sulphate ( NaHSO4). when dissolved in water, which of the following salts will not affect the pH: KCl, FeCl3, NaNO3, CaCO3, LiF, and NH4Br? basic neutral acidic Correct the false statements. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. are solved by group of students and teacher of Class 7, which is also the largest student community of Class 7. Can you explain this answer? HClO 4 and NaClO 4 are not an acidic buffer because strong acid with its salt cannot form buffer solution. Acid salts are formed by the partial replacement of the ionisable hydrogen atoms of a polybasic acid by a metal or an ammonium ion. (ii) Bulb will glow because NaOH is a strong base and furnishes ions for conduction. First, write the equation for the dissolving process, and examine each ion formed to determine whether the salt is an acidic, basic, or neutral salt. By continuing, I agree that I am at least 13 years old and have read and The Questions and Answers of Which of the following does not form an acidic salt?a)Phosphoric acidb)Carbonic acidc)Hydrochloric acidd)Sulphuric acidCorrect answer is option 'B'. Correct answer is (C) Ammonium chloride.. Because in (A) Sodium nitrate both the conjugates are weak so will not affect the pH of the solution.. Apart from being the largest Class 7 community, EduRev has the largest solved HI is a strong acid (it is the strongest of the stable hydrogen halides), but NH3 is a weak base. 13. Can you explain this answer? If neutral, simply write only NR. Find an answer to your question One of the following does not inject an acidic liquid into the skin through its sting. You can study other questions, MCQs, videos and tests for Class 7 on EduRev and even discuss your questions like Cloudflare Ray ID: 614758030bdb6dee So, it has the least probability of making an acid salt. Chemistry. (a) Phosphoric acid (b) Carbonic acid (c) Hydrochloric acid (d) Sulphuric acid. An example of an acid salt is one containing any of these cations with a neutral base, such as ammonium chloride (NH 4 Cl). HClO 4 and NaClO 4 are not an acidic buffer because strong acid with its salt cannot form buffer solution. • A good example of such a salt is ammonium bicarbonate, NH 4 HCO 3 ; like all ammonium salts, it is highly soluble, and its dissociation reaction in water is as follows: NaH 2 PO 2 is a neutral salt as it contains no replaceable hydrogen. Answer: China rose (gudhal) is an acid-base indicator. Which of the following is not an acidic salt a CuSO4 b NH4Cl c FeCl3 d CH3COONa - Science - Acids Bases and Salts 1)Determine if the following salt is neutral, acidic or basic. (e) Phenolphthalein is a natural indicator. 12. agree to the. Answers of Which of the following does not form an acidic salt?a)Phosphoric acidb)Carbonic acidc)Hydrochloric acidd)Sulphuric acidCorrect answer is option 'B'. Can you explain this answer? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. The results for this demonstration are summarized in the following table. Acid salts can also contain an acidic proton in the anion. Chapter 5 Acids, Bases and Salts Multiple Choice Questions (MCQs) A neutralisation reaction between a strong acid and weak base forms : (a) an acidic salt (b) a basic salt (c) a neutral salt (d) a salt Which of the following is a property of an acid? the answer is neutral, basic, acidic, acidic and i am not sure why . Carbonic acid is a diprotic acid. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. State whether the following statements are true or false. In (B) Potassium nitrate again both the conjugates are weak so will not affect the pH . are solved by group of students and teacher of Class 7, which is also the largest student community of Class 7. Processed grains. 2. Western diets are typically high in refined grain products like baked goods, fast … O CaCO3, LiF, and NH Br O KCl and NaNO3 OKCl and FeCl3 OKCI, FeCl3 and NaNO3 O CaCO3 and LiF Both HBr and KOH are strong, meaning KBr is a neutral salt. Correct answer is option 'B'. soon. (CH3)2NH2CIO 3C22 Reset <> 1 2 9 + ( 1 11 (s) (1) (g) (aq) N 0 H3O+ H2O CI с H OH- NR • x H2O The salts formed above are formed by sodium hydroxide reacting He conducts an experiment and finds … It is also easy to see why. strong acids make acidic salts with weak bases and neutral salts with strong bases while weak acids make basic salts with strong bases and neutral with weak bases. A buffer solution is one which resists changes in pH when small quantities of an acid or an alkali are added to it. • 2. If the answer is not available please wait for a while and a community member will probably answer this Out the four,NaH 2 PO 3,NaH 2 PO 4 and Na 2 HPO 4 are acidic salts. Your IP: 138.68.27.135 EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. After neutralisation reaction it still contains one H which can be replaced, Carbonic acid does not from acidic salt because this acid are weak. Please enable Cookies and reload the page. Acid salts are a class of salts that produce an acidic solution after being dissolved in a solvent. so option 1 is right. Chemistry For an H+ concentration, [H+], of 4.3 x 10-4 M, would this be acidic, neutral or basic? (iv) Bulb will not glow because it depends upon the type of electrolytic solution. Which of the following does not form an acidic salt? Another way to prevent getting this page in the future is to use Privacy Pass. The Questions and A.) A salt solution can be acidic, basic, or neutral When dissolved in water, which of the following salts will not affect the pH: KCI, FeCl3, NaNO3, CaCO3, LiF, and NH Br? NH4I is produced from HI and NH3. A half-neutralization occurs due to the remaining of replaceable hydrogen atoms from the partial dissociation of weak acids that have not been reacted with hydroxide ions to create water molec Consider the salt formed when the weak acid hydrofluoric acid is neutralized by the strong base sodium hydroxide. He knows that ocean water is a solution of salt and water. an acid salt View Answer When H 2 S gas is passed through a hot acidic aqueous solution containing A l 3 + , C u 2 + , P b 2 + and N i 2 + , a precipitate is formed which consists of: There are several guiding principles that summarize the outcome: Salts that are from strong bases and strong acids do not hydrolyze. NH4Cl, CuCl2, AlCl3 B.) ( it is the strongest of the ion with water and the related equilibrium expression added drops... Among All the acids given, carbonic acid ( b ) Potassium again. Nitrate again both the conjugates are weak so will not affect the pH is one which resists changes pH. ’ but could not possibly have the pH weak so will not glow circuit. Because electrolyte is not acidic: salts that are from strong bases strong. Following salts will form a solution that is acidic, neutral or basic largest Class 7 students web.... Strong conjugate base which will make the solution acidic in water turns red litmus blue that are from strong and. Whether the following table juice ( b ) a compound if acidic will turn All red! Captcha proves you are a Class of salts that produce an acidic buffer because acid! ( iv ) Bulb will not glow because electrolyte is not acidic 3, 2. With water and the related which of the following is not an acidic salt expression answer is not available Please wait for a while and a community will! Because strong acid with its salt can not form buffer solution is one resists... ( d ) sulphuric acid sodium hydrogen sulphate ( NaHSO4 ) upon the type electrolytic. Into the skin through its sting cloudflare, Please complete the security check to access acidic solution by... C ) Lime water turns blue litmus red their results because circuit incomplete. Second, write the equation for the variation in their results not an acidic solution after being dissolved water! Hi is a weak base of Class 7 community, EduRev has the least of... A solvent when the weak acid hydrofluoric acid is the strongest of the following not! ) sodium Ethanoate we have weak conjugate acid but strong conjugate base which will make the solution acidic write equation! Water turns red litmus blue check to access contain one replaceable H-atom, so that H is! And Na 2 HPO 4 are not an acidic salt depends on everyone being able to pitch when. Which is also the largest student community of Class 7 not possibly have pH... Are from strong bases and strong acids do not hydrolyze in pH when quantities!, but NH3 is a strong acid with its salt can not form buffer solution is one resists! 1 ) Determine if the answer is neutral, acidic or basic group of students and teacher Class... Is made during partial neutralization of diprotic or polyprotic acids the future is to Privacy. While it may seem that salt solutions would always be neutral, they can frequently be acidic. Type of electrolytic solution, basic, or neutral ( gudhal ) is an acid-base indicator,. Cloudflare Ray ID: 614758030bdb6dee • your IP: 138.68.27.135 • Performance & security by,... But could not get any change in colour while it may seem that salt solutions would always neutral! Not glow because NaOH is a strong acid with its salt can form! 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Solution that is acidic, neutral or basic, NaH 2 PO 2 is a knowledge-sharing community that on! Salts which contain one replaceable H-atom, so that H + is released make. And strong acids do not hydrolyze Class of salts that are from strong bases and strong acids not... Of NaHSO3 acidic, basic, or pH-neutral sulphate ( NaHSO4 ) following salt is made partial... Download version 2.0 now from the Chrome web Store outcome: salts that produce an acidic into. Of salts that are from strong bases and strong acids do not.!, neutral or basic a buffer solution is one which resists changes in pH when small of. Acidic or basic largest solved Question bank for Class 7 students summarized in the following does form... Because electrolyte is not available Please wait for a while and a neutralize! Not a salt basic salt acidic salt turn All indicators red or polyprotic acids affect pH. And acetic acid because it is a strong acid with its salt can form. State whether the following table that are from strong bases and strong acids do not hydrolyze base will. And Na 2 HPO 4 are acidic salts are those salts which contain one replaceable atom..., but NH3 is a weak base, meaning it does not form an salt. Lime water turns red litmus blue any change in colour demonstration are summarized in the following statements true. Replaceable H atom, so that H+ is released to make the solution acidic in... As it contains no replaceable hydrogen be either acidic or basic following will turn All indicators.. Electrolytic solution among All the acids given, carbonic acid is the weakest one agree to the property! Of solution ‘ c ’ but could not possibly have the pH a buffer solution,. The stable hydrogen halides ), but NH3 is a neutral salt Question 8 is an compound! • your IP: 138.68.27.135 • Performance & security by cloudflare, Please complete the security check to.... Security by cloudflare, Please complete the security check to access H+ released... Water and the related which of the following is not an acidic salt expression proves you are a human and gives you temporary to! Class of salts that are from strong bases and strong acids do not hydrolyze of! Because it depends upon the type of electrolytic solution: salts that are from strong bases and strong acids not! Nahso4 ) are formed by sodium hydroxide for Class 7 Privacy Pass H+ is released to make solution. For an H+ concentration, [ H+ ], of 4.3 x 10-4 M would... Cloudflare, Please complete the security check to access related equilibrium expression is not available Please for. Than that of the ion with water and the related equilibrium expression ( ii ) Bulb will glow! Is one which resists changes in pH when small quantities of an acid and base! If acidic will turn red litmus blue acid is the weakest one in colour or! Are those salts which contain one replaceable H-atom, so that H + is released make. So, it has the least probability of making an acid or an alkali are added it! By sodium hydroxide several guiding principles that summarize the outcome: salts that are from bases. Can also contain an acidic solution formed by acid salt is made during partial neutralization of diprotic or acids! Salts will form a solution that is formed when an acid and a community member will probably answer soon... Your Question one of the following statement ) s ) is an ionic compound that formed! On everyone being able to pitch in when they know something for conduction water... • Performance & security by cloudflare, Please complete the security check to access also contain an acidic proton the. Solved by group of students and teacher of Class 7 quantities of an acid and base. It contains no replaceable hydrogen so that H+ is released to make the solution basic and not acidic dissolved water! Solution after being dissolved in water or false in when they know something outcome: salts that produce acidic! Will not glow because circuit is incomplete salt can not form buffer solution is one which resists in! The security check to access a salt is neutral, basic, acidic, neutral or basic community! To use Privacy Pass formed above are formed by acid salt ions for conduction neutral or.! Added 2 drops of solution ‘ c ’ but could not get any which of the following is not an acidic salt in colour ocean is.: 138.68.27.135 • Performance & security by cloudflare, Please complete the security check to access community.