Purification & Characteristics of Organic Compounds-Qualitative Analysis (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 6 of 18

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Question number: 1

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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Question

of the chloroplatinate of a diacid base gave on ignition of platinum. Calculate the molecular mass of base?

Choices

Choice (4) Response

a.

80

b.

60

c.

102

d.

22

Question number: 2

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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of an organic compound on heating with conc. and silver nitrate in furnace gave 0.42g of Find the percentage of chlorine in the compound?

Choices

Choice (4) Response

a.

20.18%

b.

32.62%

c.

88.80%

d.

48.33%

Question number: 3

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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The catalyst used is Kjeldahl’s method for the estimation of nitrogen is?

Choices

Choice (4) Response

a.

Magnesium

b.

Copper

c.

Mercury

d.

Sodium

Question number: 4

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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In which of the following method mixture is used along with the organic compound in estimation of halogens?

Choices

Choice (4) Response

a.

Schiff’s and Piria method

b.

Messenger’s method

c.

Fusion method

d.

Kjeldahl’s method

Question number: 5

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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On heating 0.32g of an organic composed with concentrated nitric acid and barium chloride, 0.932g barium sulphate was obtained, calculate the percentage of sulphur in the given compound?

Choices

Choice (4) Response

a.

36%

b.

22%

c.

28%

d.

40%

Question number: 6

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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of an organic compound on heating with fuming and gives 0.235g of . Calculate the percentage of iodine in the compound?

Choices

Choice (4) Response

a.

b.

c.

d.

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