NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 988 - 993 of 1258

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Question number: 988

» Equilibrium » Ionic Equilibrium » Hydrolysis of Salts and pH of Their Solutions,

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MCQ▾

Question

What will be the pH value of 0.05 M solution?

Choices

Choice (4) Response

a.

1

b.

12

c.

13

d.

12.96

Question number: 989

» Equilibrium » Ionic Equilibrium » Buffer Solutions

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MCQ▾

Question

The pH of a buffer solution prepared by adding 10 mL of 0.1 M and 20 mL of 0.1 M sodium acetate will be? Given

Choices

Choice (4) Response

a.

4.05

b.

3.05

c.

5.04

d.

3.04

Question number: 990

» Solutions » Relative Lowering of Vapour Pressure

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MCQ▾

Question

Calculate the vapor pressure lowering called by addition of 50 g of sucrose (mol mass 342) to 500 g water if the vapor pressure of pure water at is 23.8 mm Hg?

Choices

Choice (4) Response

a.

12.40 mm Hg

b.

1.024 mm Hg

c.

0.124 mm Hg

d.

1.240 mm Hg

Question number: 991

» Equilibrium » Equilibrium Constants (Kp and Kc)

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MCQ▾

Question

For the reaction of would remain unreacted at – equilibrium?

Choices

Choice (4) Response

a.

64%

b.

24%

c.

34%

d.

38%

Question number: 992

» Surface Chemistry » Colloidal State » Colloids and Suspensions

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MCQ▾

Question

Which of the following range of particle size is true regarding colloidal solutions?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 993

» Solutions » Vapour Pressure of Solutions

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MCQ▾

Question

The Vapour pressure of water at is 19.8mm 0.1mm mole glucose is dissolved in 178.2g of water is the Vapour pressure (in mm) of resultant solution?

Choices

Choice (4) Response

a.

19.202

b.

19.602

c.

19

d.

19.402