Chemical Kinetics-Rate of a Chemical Reaction (NEET Chemistry): Questions 12 - 14 of 14

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Question number: 12

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

In a reaction, the concentration of a reactant A changes from 0.200 mol/lit to 0.150 mol/lit in 10 minutes. What is the average rate of reaction during the interval?

Choices

Choice (4) Response

a.

0.005 mol. lit-1

b.

0.005 mol. lit-1. min-1

c.

0.005 mol/lit

d.

0.05 mol. lit-1. min-1

Question number: 13

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

The rate of a chemical reaction

Choices

Choice (4) Response

a.

Decreases as the reaction proceeds

b.

Increases as the reaction proceeds

c.

May increase or decrease during the reaction

d.

Remains constant

Question number: 14

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

For the reaction A+Bproducts , rate is given as rate = k [A] [B] 2, how will the rate change if the volume of the reaction mixture is reduced to 13rd of its original volume?

Choices

Choice (4) Response

a.

Rate will increase 40 times

b.

Rate will increase 27 times

c.

Rate will decrease 27 times

d.

Rate will decrease 45 times

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