Choose the most correct option. The time required for 90 % completion of a certain first-order reaction is t. The time required for 99.9 % completion will be _________. - Chemistry

MCQ

Choose the most correct option.

The time required for 90 % completion of a certain first-order reaction is t. The time required for 99.9 % completion will be _________.

Options

• t

• 2t

• "t"/2

• 3t

Solution

The time required for 90 % completion of a certain first-order reaction is t. The time required for 99.9 % completion will be 3t .

Concept: Rate of Reaction and Reactant Concentration
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APPEARS IN

Balbharati Chemistry 12th Standard HSC for Maharashtra State Board
Chapter 6 Chemical Kinetics
Exercises | Q 1.04 | Page 135