# Choose the most correct option. The rate law for the reaction aA + bB → P is rate = k[A] [B]. The rate of reaction doubles if _________. - Chemistry

MCQ

Choose the most correct option.

The rate law for the reaction aA + bB → P is rate = k[A] [B]. The rate of reaction doubles if _________.

#### Options

• concentrations of A and B are both doubled.

• [A] is doubled and [B] is kept constant

• [B] is doubled and [A] is halved

• [A] is kept constant and [B] is halved.

#### Solution

The rate law for the reaction aA + bB → P is rate = k[A] [B]. The rate of reaction doubles if [A] is doubled and [B] is kept constant

Concept: Rate of Reactions
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#### APPEARS IN

Balbharati Chemistry 12th Standard HSC for Maharashtra State Board
Chapter 6 Chemical Kinetics
Exercises | Q 1.01 | Page 135