Which salt undergoes hydrolysis?
1. CH3COONa
2. KNO3
3. NaCl
4. K2SO4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBuffer solution among the following options is :
1. HNO2 and NaNO2
2. NaOH and NaCl
3. HNO3 and NH4NO3
4. HCl and KCl
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAccording to Le-Chatelier's principle, adding heat to a solid liquid equilibrium will cause the
1. Temperature to increase
2. Temperature to decrease
3. Amount of liquid to decrease
4. Amount of solid to decrease
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOstwald's solution dilution law is applicable in the case of the solution of:
1. CH3COOH
2. NaCl
3. NaOH
4. H2SO4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pKa of acetylsalicylic acid (aspirin) is 3.5. The pH of gastric juice in the human stomach is about 2-3 and the pH in the small intestine is about 8. Aspirin will be:
1. Unionized in the small intestine and in the stomach
2. Completely ionized in the small intestine and in the stomach
3. Ionized in the stomach and almost unionized in the small intestine
4. Ionized in the small intestine and almost unionized in the stomach
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is [H+] in mol/L of a solution that is 0.20 M in CH3COONa and 0.10 M in CH3COOH?
(Ka for CH3COOH = 1.8 x 10-5)
1. 3.5x10-4
2. 1.1x10-5
3. 1.8x10-5
4. 9.0x10-6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe hydrolysis of the salt of strong acid and a weak base is called:
1. anionic hydrolysis
2. cationic hydrolysis
3. amphoteric hydrolysis
4. none of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction, A+B3C at 25 C, a 3 litre vessel contains 1,2, 4 mole of A, B and C respectively. If Kc for the reaction is 10, the reaction will proceed in:
1. forward direction
2. backward direction
3. in either direction
4. in equilibrium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pH of 0.1M soution of the folowing salts increases in the order:
1. NaCl < NH4Cl < NaCN < HCl
2. HCl < NH4Cl < NaCl < NaCN
3. NaCN < NH4Cl < NaCl < HCl
4. HCl < NaCl < NaCN < NH4Cl
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThree reactions involving are given below:
(i) H3PO4 + H2O H3O+ +
(ii) + H2O + H3O+
(iii) + OH- H3PO4 +O2-
In which of the above does act as an acid?
1. (i) only
2. (ii) only
3. (i) and (ii)
4. (iii) only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology