The monomer (X) involved in the synthesis of Nylon 6,6 gives positive carbylamine test. If 10 moles of X are analyzed using Dumas method, the amount (in grams) of nitrogen gas evolved is . Use: Atomic mass of N (in amu) = 14

Chemistry · Nitrogen Containing Organic Compounds

JEE Advanced 2025 — Paper 1 — Question 41

The monomer (X) involved in the synthesis of Nylon 6,6 gives positive carbylamine test. If 10 moles of $\mathbf{X}$ are analyzed using Dumas method, the amount (in grams) of

nitrogen gas evolved is $\qquad$ . Use: Atomic mass of N (in amu) = 14

Answer: 280

Numerical answer — enter this value.

Step-by-step solution

Hexamethylene diamine series give ( + ) carbylamine test. $\mathrm{C}_{\mathrm{x}} \mathrm{H}_{\mathrm{y}} \mathrm{N}_{\mathrm{z}}+(2 \mathrm{x}+1 / 2) \mathrm{CuO} \rightarrow \mathrm{xCO}_2+\frac{\mathrm{y}}{2} \mathrm{H}_2 \mathrm{O}+\frac{\mathrm{z}}{2} \mathrm{~N}_2$ (Dumas method)

$\mathrm{C}_6 \mathrm{H}_{16} \mathrm{~N}_2$

then $\frac{\mathrm{z}}{2} \mathrm{~N}_2=\frac{2}{2} \mathrm{~N}_2=1$ mole

Given 10 mole in this reaction so $\mathrm{w}_{\mathrm{N}_2}=10 \times 28=280 \mathrm{gm}$

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Exam: JEE Advanced 2025
Paper: Paper 1
Subject: Chemistry
Chapter: Nitrogen Containing Organic Compounds
Topic: Introduction & Preparation of Amines

The major products obtained from the reactions in List-II are the reactants for the named reactions mentioned in List-I. Match each entry…

Answer: 280

Step-by-step solution

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