(B) The $Carius$ method is primarily used for the estimation of halogens,sulphur,and phosphorus in organic compounds. It is $NOT$ used for the estimat

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Carius method is used for the estimation of nitrogen in an organic compound.

(B) The $Carius$ method is primarily used for the estimation of halogens,sulphur,and phosphorus in organic compounds. It is $NOT$ used for the estimation of nitrogen. Nitrogen is typically estimated using the $Dumas$ method or the $Kjeldahl$ method. Therefore,the statement that the $Carius$ method is used for the estimation of nitrogen is $FALSE$.

Class 11 Chemistry 8-3.Organic Chemistry : Purification and characterization Quantitative Analysis

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Which of the following is a $FALSE$ statement?

JEE MAIN 2021 All JEE MAIN

A
Carius tube is used in the estimation of sulphur in an organic compound.
B
Carius method is used for the estimation of nitrogen in an organic compound.
C
Phosphoric acid produced on oxidation of phosphorus present in an organic compound is precipitated as $Mg_2P_2O_7$ by adding magnesia mixture.
D
Kjeldahl's method is used for the estimation of nitrogen in an organic compound.

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8-3.Organic Chemistry : Purification and characterization

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Quantitative Analysis

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$x \ mg$ of an organic compound was analysed by the Kjeldahl method. The ammonia evolved was absorbed in $50 \ mL$ of $0.5 \ M \ H_2SO_4$. The unused acid required $60 \ mL$ of $0.5 \ M \ NaOH$ solution for complete neutralization. If the percentage of nitrogen in the compound is $56$,the value of $x$ is:

MediumAP EAMCET 2025

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In the Carius method for the estimation of halogen,$0.172 \ g$ of an organic compound showed the presence of $0.08 \ g$ of bromine. Which of these is the correct structure of the compound?

MediumJEE MAIN 2020

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In the sulphur estimation,$0.471 \, g$ of an organic compound gave $1.44 \, g$ of barium sulphate. The percentage of sulphur in the compound is $...... \%$. (Nearest integer)
(Atomic Mass of $Ba=137 \, u$)

MediumJEE MAIN 2021

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In sulphur estimation, $2.0 \times 10^{-3}$ mol of an organic compound $(X)$ (molar mass $76 \text{ g mol}^{-1}$) gave $0.4813 \text{ g}$ of barium sulphate (molar mass $233 \text{ g mol}^{-1}$). The percentage of sulphur in the compound $(X)$ is . . . . . . $\% \times 10^{-1}$ (Nearest integer).

DifficultJEE MAIN 2026

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Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

Medium

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Which of the following is a $FALSE$ statement?

Similar Questions

In the Carius method for the estimation of halogen,$0.172 \ g$ of an organic compound showed the presence of $0.08 \ g$ of bromine. Which of these is the correct structure of the compound?

In the sulphur estimation,$0.471 \, g$ of an organic compound gave $1.44 \, g$ of barium sulphate. The percentage of sulphur in the compound is $...... \%$. (Nearest integer)(Atomic Mass of $Ba=137 \, u$)

In sulphur estimation, $2.0 \times 10^{-3}$ mol of an organic compound $(X)$ (molar mass $76 \text{ g mol}^{-1}$) gave $0.4813 \text{ g}$ of barium sulphate (molar mass $233 \text{ g mol}^{-1}$). The percentage of sulphur in the compound $(X)$ is . . . . . . $\% \times 10^{-1}$ (Nearest integer).

Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

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In the sulphur estimation,$0.471 \, g$ of an organic compound gave $1.44 \, g$ of barium sulphate. The percentage of sulphur in the compound is $...... \%$. (Nearest integer)
(Atomic Mass of $Ba=137 \, u$)