Chemical Kinetics-Rate of a Chemical Reaction (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 1 - 6 of 14

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Question number: 1

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

Molecularity of a reaction is?

Choices

Choice (4) Response

a.

Can have a fractional value

b.

Never a whole number

c.

Can be zero

d.

A whole number

Question number: 2

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

The order of a reaction can be deduced from?

Choices

Choice (4) Response

a.

Chemical equation

b.

Experiment

c.

Rate constant

d.

Thermo chemical equations

Question number: 3

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

In the reaction. Equation , the expression –d [N2] /dt represents?

Choices

Choice (4) Response

a.

The average rate of reaction

b.

The instantaneous rate of reaction

c.

The rate of formation of N2

d.

Question does not provide sufficient data or is vague

Question number: 4

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

The decomposition of nitrogen pent oxide follows first order rate law. Calculate the rate constant from the given data?

t = 800 sec [N2O5] = 1.45 mol/L

t = 1600 sec [N2O5] = 0.88 mol/L

Choices

Choice (4) Response

a.

6.24×10-4 sec-1

b.

0.64×104 sec-1

c.

4.67×10-4 sec-1

d.

0.467×10-4 sec-1

Question number: 5

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

The rate constant of the reaction Equation , is 3×10-5 sec-1. If the rate is 2.4×10-5 mol. lit-1sec-1. Then the concentration of Equation in mol lit-1 will be?

Choices

Choice (4) Response

a.

0.8

b.

1.2

c.

1.27

d.

2.1

Question number: 6

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

The rate of the reaction, Equation , is given by Equation , the order of this reaction is?

Choices

Choice (4) Response

a.

13/12

b.

½

c.

2

d.

1/4

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