Chemical Kinetics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 11 - 16 of 103

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Question 11

Appeared in Year: 2018

Question MCQ▾

In an order reaction amount of the substance left after n half-lives and average life of a order reaction respectively are

Choices

Choice (4)Response

a.

b.

c.

d.

Both a. and b. are correct

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Question 12

Question MCQ▾

Which of the following processes does not involve a catalyst?

Choices

Choice (4)Response

a.

Ostwald process

b.

Haber՚s process

c.

Contact process

d.

Thermite process

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Question 13

Question MCQ▾

Which of the following statements about a catalyst is true?

Choices

Choice (4)Response

a.

It lowers the energy of activation

b.

It does not alter the equilibrium

c.

The catalyst altered during the reaction is regenerated

d.

All a., b. and c. are correct

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Question 14

Question MCQ▾

In the reaction acts as a

Choices

Choice (4)Response

a.

Promotor

b.

Positive catalyst

c.

Poison

d.

Auto catalyst

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Question 15

Question MCQ▾

Which of the following statements are not true for a catalyst?

Choices

Choice (4)Response

a.

It decreases the energy of the products

b.

It increases the energy of the reactants

c.

It decreases the energy of the reactants

d.

All a., b. and c. are correct

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Question 16

Question MCQ▾

According to Arrhenius theory, the rate is directly proportional to the number of effective collisions , here Z is?

Choices

Choice (4)Response

a.

Collision fraction

b.

Collision frequency

c.

Collision coefficient

d.

Question does not provide sufficient data or is vague

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