Chemical Kinetics-Rate of a Chemical Reaction [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 5 of 28

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Question 1

Appeared in Year: 2008

Question MCQ▾

For a reaction Rate of disappearance of A is related to rate of appearance of B by the expression (JEE)

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 2

Question MCQ▾

For the decomposition of at i.e..

, If the initial pressure is 114 mm and after 25 minute of the reaction, total pressure of the gaseous mixture is 133 mm. The average rate of reaction is . The value of is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 3

Question MCQ▾

The gaseous reaction,

is observed to be the first order. On starting with pure A, it is found that at the end of 10 minutes, the total pressure of the system is of and after a long time, it is of Which of the following is/are correct for the given data.

Choices

Choice (4)Response

a.

The rate constant of the reaction is

b.

The partial pressure of A after 10 min is 47 mm Hg

c.

The initial pressure ‘A’ is 90 mm of Hg

d.

All a., b. and c. are correct

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Question 4

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 5

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

Edit