Common Ion Effect Recommended MCQs - 194 Questions Equilibrium Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

In which of the following will the solubility of AgCl be the minimum?

1.	0.1 M NaNO₃	2.	Water
3.	0.1 M NaCl	4.	0.1 M NaBr

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Consider the nitration of benzene using mixed conc. H₂SO₄ and HNO₃.
If a large amount of KHSO₄ is added to the mixture, the rate of nitration will be:

1.	Slower	2.	Unchanged
3.	Doubled	4.	Faster

Subtopic: Common Ion Effect |

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The dissociation of NH₄OH can be suppressed by the addition of

1.	NH₄Cl	2.	NH₄NO₃
3.	NaOH	4.	All of the above

Subtopic: Common Ion Effect |

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On adding NH₄CI to an NH₄OH solution, the pH of the solution will

1.	Increase	2.	Decrease
3.	Remain the same	4.	Either increase or decrease

Subtopic: Common Ion Effect |

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The addition of HCl does not suppress the ionization of:

1.	Acetic acid	2.	Benzoic acid
3.	H₂S	4.	H₂SO₄

Subtopic: Common Ion Effect |

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When NH₄Cl is added to an aqueous solution of NH₄OH, then

1. Concentration of $[{OH}^{-}]$ ions decreases.

2. Concentration of $[{OH}^{-}]$ ions increases.

3. Concentration of $[{NH}_{4}^{+}]$ ions as well as concentration $[{OH}^{-}]$ ions increase.

4. Concentration of $[{NH}_{4}^{+}]$ ions decreases.

Subtopic: Common Ion Effect |

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Out of ${Ca}^{2 +}, {Al}^{3 +}, {Cr}^{3 +}, {Mg}^{2 +}, and {Zn}^{2 +},$ the reagents ${NH}_{4} Cl$ and aqueous ${NH}_{3}$ will precipitate

1. ${Ca}^{2 +}, {Al}^{3 +}$

2. ${Al}^{3 +}, {Cr}^{3 +}$

3. ${Bi}^{3 +}, {Mg}^{2 +}$

4. ${Mg}^{2 +}, {Zn}^{2 +}$

Subtopic: Common Ion Effect |

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In an acidic Buffer solution (CH₃COOH + CH₃COONa), the species mainly present in the solution are:

(Ignore negligible amount)

1. CH₃COOH, CH₃COO^-, CH₃COONa, H⁺

2. CH₃COO^-, Na⁺, CH₃COOH

3. CH₃COONa, CH₃COO-, H⁺

4. CH₃COO^-, Na⁺, H⁺, CH₃COONa

Subtopic: Common Ion Effect |

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Given below are two statements:

Assertion (A):	The ionisation of hydrogen sulphide in water is low in the presence of hydrochloric acid.
Reason (R):	Hydrogen sulphide is a weak acid.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Common Ion Effect |

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Among the following solvents, silver chloride is most soluble in:

1. $0.1 mol {dm}^{- 3} {AgNO}_{3}$ solution

2. $0.1 mol {dm}^{- 3} HCl$ solution

3. $H_{2} O$

4. Aqueous ammonia

Subtopic: Common Ion Effect |

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