Chemistry Class-11: Chapter – 7. Equilibrium Part – 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question: 9

and are the respective ionisation constants for the following reactions.

The correct relationship between and is

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question: 10

Acidity of can be explained on the basis of which of the following concepts?

(i) Arrhenius concept

(ii) Bronsted Lowry concept

(iii) Lewis concept

(iv) Bronsted Lowry as well as Lewis concept

Answer: (iii)

Question: 11

Which of the following will produce a buffer solution when mixed in equal volumes?

(i)

(ii)

(iii)

(iv)

Answer: (iii)

Question: 12

In which of the following solvents is silver chloride most soluble?

(i)

(ii)

(iii)

(iv)

Answer: (iv)

Question: 13

What will be the value of ?

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question: 14

Ka for is and for is . The of ammonium acetate will be

(i)

(ii

(iii)

(iv)

Answer: (iii)

Question: 15

Which of the following options will be correct for the stage of half completion of the reaction .

(i)

(ii)

(iii)

(iv)

Answer:

Justification:

At the stage of half completion of reaction , Therefore, .

Thus,

Developed by: