MEDIUM
11th Odisha Board
IMPORTANT
Earn 100

What is Rf value? How can it be used for identification of organic compounds in a mixture?

 

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 2
What is the principle behind the soda lime test for nitrogen? Why is this test not dependable?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 3
Is Beilstein's test a satisfactory test for the detection of halogens?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 4
Why is H2SO4 added after addition of ferrous sulphate in Lassaigne's test for nitrogen. Give reasons. 
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 5
Why is dry copper (II) oxide used in detection of hydrogen.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 16 - Organic Chemistry:Some Basic Principles and Techniques>QUESTIONS>Q 6
What is the principle behind Duma's method for the estimation of nitrogen.
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: