NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1128 - 1133 of 1258

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Question number: 1128

» Solutions » Colligative Properties of Dilute Solutions

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MCQ▾

Question

The colligative property of solution generally depend upon?

Choices

Choice (4) Response

a.

Association of molecules

b.

Dissociation of molecules

c.

Number of solute particles

d.

All a. , b. and c. are correct

Question number: 1129

» Solutions » Osmotic Pressure

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MCQ▾

Question

Which of the following is an expression for pressure temperature law and Gay-lussac-van’t Hoff’s law?

Choices

Choice (4) Response

a.

b.

c.

PV = ST

d.

PV = constant

Question number: 1130

» Solutions » Osmotic Pressure

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MCQ▾

Question

200 of an aqueous solution contains 1.26g of a polymer. The osmotic pressure of such solution at 300 K is found to be bar. Calculate the molar mass of the polymer?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1131

» Solutions » Depression of Freezing Point

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MCQ▾

Question

A solution of 1.25g of contain non-volatile substance in 20g of water freezes at 271.94K. Calculate the molecular mass of the solute (if =1.86 k kg

Choices

Choice (4) Response

a.

109.66

b.

202.42

c.

209.73

d.

102.70

Question number: 1132

» Solutions » Elevation of Boiling Point

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MCQ▾

Question

An aqueous solution freezes at the elevation of boiling point of the solution is?

Choices

Choice (4) Response

a.

0.512

b.

c.

0.0512

d.

0.186

Question number: 1133

» Solutions » Depression of Freezing Point

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MCQ▾

Question

Calculate the molal depression of constant of a solvent which has freezing point and latent heat of fusion 180.75 ?

Choices

Choice (4) Response

a.

3.86

b.

8.23

c.

4.03

d.

6.24