NEET Chemistry: Questions 8 - 15 of 677

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 677 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 8

» Chemical Thermodynamics » First Law of Thermodynamics » Work

MCQ▾

Question

One mole of a gas is heated at constant pressure to raise its temperature by 1°C. The work done in joules is?

Choices

Choice (4) Response

a.

19.4

b.

-16.62

c.

- 4.3

d.

- 8.314

Question number: 9

» Chemical Thermodynamics » Second Law of Thermodynamics » Spontaneity of Processes

MCQ▾

Question

Melting of ice into water is an example of?

Choices

Choice (4) Response

a.

Spontaneous process

b.

Non-spontaneous process

c.

Reversible process

d.

Question does not provide sufficient data or is vague

Question number: 10

» Chemical Thermodynamics » First Law of Thermodynamics » Enthalpy

MCQ▾

Question

Determine the heat of transformation of C (diamond) → C (graphite)?

Choices

Choice (4) Response

a.

0.5 kcal

b.

-0.5 kcal

c.

5.0 kcal

d.

-5.0 kcal

Question number: 11

» Chemical Thermodynamics » State Functions » Entropy

MCQ▾

Question

If an endothermic reaction occurs spontaneously at constant temperature T and pressure P, then which of the following is true?

Choices

Choice (4) Response

a.

∆ H < 0

b.

∆ G > 0

c.

∆ S < 0

d.

∆ S > 0

Question number: 12

» Chemical Thermodynamics » State Functions » Entropy

MCQ▾

Question

For an isolated system at equilibrium state the entropy ∆ S will be?

Choices

Choice (4) Response

a.

∆ S ≠ 0

b.

∆ S > 0

c.

∆ S = 0

d.

∆ S < 0

Question number: 13

» Chemical Thermodynamics » Second Law of Thermodynamics » Spontaneity of Processes

MCQ▾

Question

For the spontaneous process ∆H will be?

Choices

Choice (4) Response

a.

Negative

b.

Zero

c.

Positive

d.

Constant

Question number: 14

» Chemical Thermodynamics » Extensive and Intensive Properties

MCQ▾

Question

Which one of the following is an intensive property?

Choices

Choice (4) Response

a.

Mass

b.

Enthalpy

c.

Volume

d.

Density

Question number: 15

» Chemical Thermodynamics » Second Law of Thermodynamics » Standard Gibbs Energy Change

MCQ▾

Question

Equilibrium constant for the reactionH2(g)+I2(g)=2HI(g)isKc=50at25°C, the Standard Gibbs free energy change for the reaction is?

Choices

Choice (4) Response

a.

-4.964 k J

b.

-9.694 k J

c.

-6.964 k J

d.

-6.496 k J

Sign In