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Test: Quantitative Analysis (NCERT) - NEET MCQ


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10 Questions MCQ Test - Test: Quantitative Analysis (NCERT)

Test: Quantitative Analysis (NCERT) for NEET 2024 is part of NEET preparation. The Test: Quantitative Analysis (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Quantitative Analysis (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Quantitative Analysis (NCERT) below.
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Test: Quantitative Analysis (NCERT) - Question 1
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0.92 g of an organic compound was analysed by combustion method. The mass of the U-tube increased by 1.08 g. What is the percentage of hydrogen in the compound?

Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 1

Increase in mass of U-tube = 1.08 g
Mass of water formed = 1.08 g
18gH20 = 2gH

Test: Quantitative Analysis (NCERT) - Question 2
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An organic compound gave 0.4655 g of CO2 on complete combustion. If the mass of the compound taken was 0.2115 g, what is the percentage of C in it?

Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 2

Mass of CO2 formed = 0.4655 g
Mass of organic compound taken = 0.2115 g

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Test: Quantitative Analysis (NCERT) - Question 3
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In Duma'smethod 0.52 g of an organic compound on combustion gave 68.6 mL N2 at 27oC and 76 mm pressure. What is the percentage of nitrogen in the compound?

Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 3

V1 = 68.6 mL, P1 =. 756 mm, T1 = 300 K V2 = ?, P2 = 760 mm, T2 = 273 K

Percentage of nitrogen in organic compound

Test: Quantitative Analysis (NCERT) - Question 4
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In kjeldahl's method of estimation of nitrogen, nitrogen is quantitatively converted to ammonium sulphate. It is the treated with the standard solution of alkali. The nitrogen which is present is estimated as:
Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 4

When treated with standard solution of alkali nitrogen is liberated as NH3 which is absorbed in H2SO4 to get percentage of nitrogen.

Test: Quantitative Analysis (NCERT) - Question 5
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In Carius method of estimation of halogen, 0.15 g of an organic compound gave 0.12 g of AgBr. What is the percentage of bromine in the compound?
Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 5

Molar mass of AgBr = 108 + 80 = 188 g mol-1
Percentage of Br2 = 

Test: Quantitative Analysis (NCERT) - Question 6
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2.18 g of an organic compound containing sulphur produces 1.02g of BaSO4. Thepercentage of sulphur in the compound is
Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 6

Test: Quantitative Analysis (NCERT) - Question 7
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1.6 g of an organic compound gave 2.6 g of magnesium pyrophosphate. The percentage of phosphorus in the compound is
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Test: Quantitative Analysis (NCERT) - Question 8
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Match the column I with column II in which formula for estimation of an element is given and mark the appropriate choice.
Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 8


(w1 = weight of CO2, w= weight of organic compound)

(V = volume of N2 at STP, w = weight of organic compound)

Test: Quantitative Analysis (NCERT) - Question 9
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The percentage of oxygen in heavy water is
Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 9

In D2O percentage of deuterium

% of oxygen - 100 - 20 = 80%

Test: Quantitative Analysis (NCERT) - Question 10
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0.2 g of an organic compound contains C, H and O.On combustion, it yields 0.15 g CO2 and 0.12 g H2O.Ihe percentage of C, H and O respectively is
Detailed Solution for Test: Quantitative Analysis (NCERT) - Question 10



% of O = 100 - (20 + 6.66) = 73.34%

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