What is the principle behind Duma's method for the estimation of nitrogen.

Important Questions on Organic Chemistry:Some Basic Principles and Techniques

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 7

Why is nitric acid added to sodium extract before adding silver nitrate for testing halogens?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 8

Why it is necessary to use acetic acid and not sulphuric acid for acidification of sodium extract for testing sulphur by lead acetate test?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 1

The concept of vital force theory was given by:

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 2

Carbon forms a large number of compounds because of 

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 3

A compound with molecular formula ${\mathrm{C}}_2{\mathrm{H}}_2$ must contain

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 4

Alicyclic compound is 

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 5

The compound $\mathrm{R}-\mathrm{CO}-{\mathrm{NH}}_2$ is an example of

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 6

The hybridisation of carbons ${\mathrm{C}}_1$ and ${\mathrm{C}}_3$ in the compound ${}^1\mathrm{CH}_3-{}^2\mathrm{CH}={}^3\mathrm{CH}-{}^4\mathrm{CH}_3$ is: