Solutions-Elevation of Boiling Point (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 5 of 7

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Question number: 1

» Solutions » Elevation of Boiling Point

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Question

A solution containing 1g of solute (molar mass 210 g ) in 350g of atone raised the boiling point of acetone from the value of ebullioscopic constant of atone in K kg is?

Choices

Choice (4) Response

a.

2.66

b.

2.86

c.

4.12

d.

3.15

Question number: 2

» Solutions » Elevation of Boiling Point

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On dissolving 10.8 g glucose in 240g of water, its boiling point increase by . Calculate the molecular elevation constant of water?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Solutions » Elevation of Boiling Point

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18 gram of glucose, is dissolved in 1 kg of water in a saucepan. At what temperature will the water boil? (1.013 bar pressure)

Choices

Choice (4) Response

a.

373.05 k

b.

293.05 k

c.

393.05 k

d.

273.05 k

Question number: 4

» Solutions » Elevation of Boiling Point

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The molar elevation constant for water is 0.56 k kg/mol. Calculate the boiling point of a solution made by dissolving 6.0g of are a in 200g of water?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Solutions » Elevation of Boiling Point

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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

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