NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 528 - 534 of 1258

Access detailed explanations (illustrated with images and videos) to 1258 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 528

» Chemical Kinetics » Activation Energy

Edit
MCQ▾

Question

Activation energy of a reaction is?

Choices

Choice (4) Response

a.

Minimum amount of energy needed to overcome potential barrier

b.

The energy released during the reaction

c.

The energy needed to form one mole of product

d.

The energy evolved when activation complex is formed

Question number: 529

» Chemical Kinetics » Rate of a Chemical Reaction

Edit
MCQ▾

Question

Molecularity of a reaction is?

Choices

Choice (4) Response

a.

A whole number

b.

Can be zero

c.

Never a whole number

d.

Can have a fractional value

Question number: 530

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

Edit
MCQ▾

Question

90 % of the first order reaction is completed in 70 minutes. The velocity constant of the reaction is?

Choices

Choice (4) Response

a.

0.329

b.

0.0329

c.

3.29

d.

0.0293

Question number: 531

» Chemical Kinetics » Rate of a Chemical Reaction

Edit
MCQ▾

Question

The order of a reaction can be deduced from?

Choices

Choice (4) Response

a.

Chemical equation

b.

Thermo chemical equations

c.

Experiment

d.

Rate constant

Question number: 532

» Chemical Kinetics » Rate of a Chemical Reaction

Edit
MCQ▾

Question

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

Choices

Choice (4) Response

a.

The instantaneous rate of reaction

b.

The rate of formation of N2

c.

The average rate of reaction

d.

None of the above

Question number: 533

» Chemical Kinetics » Factors Affecting the Rate of Reactions

Edit
MCQ▾

Question

In general for every 10℃ rise in temperature, the rate of reaction becomes approximately?

Choices

Choice (4) Response

a.

One tenth

b.

Doubles

c.

Ten times

d.

Half

Question number: 534

» Chemical Kinetics » Factors Affecting the Rate of Reactions

Edit
MCQ▾

Question

The influence of temperature on the rate of reaction is determined by?

Choices

Choice (4) Response

a.

Gibbs equation

b.

Van’t hoff equation

c.

Arrhenius equation

d.

Nernst equation