NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 552 - 557 of 1258

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Question number: 552

» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions

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MCQ▾

Question

Which of the following reaction is first order reaction?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 553

» Chemical Kinetics » Arrhenius Theory

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MCQ▾

Question

For a reaction Ea=0 and k = 3.2×104 sec-1 at 300K. The value of k at 310 K would be?

Choices

Choice (4) Response

a.

3.2×105 s-1

b.

3.2×104 s-1

c.

6.4×104 s-1

d.

3.2×108 s-1

Question number: 554

» Chemical Kinetics » Rate of a Chemical Reaction

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MCQ▾

Question

The term in the rate of expression refers to the?

Choices

Choice (4) Response

a.

Average rate of reaction

b.

Concentration of reactants

c.

Instantaneous rate of reaction

d.

Increase in the concentration of reactants

Question number: 555

» Chemical Kinetics » Arrhenius Theory

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MCQ▾

Question

According to Arrhenius equation, rate constant of a chemical reaction is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 556

» Chemical Kinetics » Activation Energy

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MCQ▾

Question

Which equation is true to calculate the energy of activation, if the rate of reaction is doubled by increasing temperature from T1 to T2 K?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 557

» Chemical Kinetics » Rate of a Chemical Reaction

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MCQ▾

Question

Rate expression of a chemical change is –dx/dt = k [A] 2 [B] [C] 0, the order of reaction is?

Choices

Choice (4) Response

a.

0

b.

2

c.

1

d.

3