(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

What is the difference in molecular formula of any Two adjacement homologues in terms of types of atoms and molecular mass?

Give reason for the following:
Conc. Nitric acid renders iron passive.

What is eaten ation? 'Why carbon shovv rnaximurn tendency of catenation?

Give reason for the following:
Nitric acid is used in purification of gold.

Give the name and formulae of one member of each of the following:

(a) Saturated hydrocarbons

(b) Unsaturated Hydrocarbons

What is an alkyl group?

Give reason for the following:
Aqua regia dissolves gold and platinum.

Give the names of any three alkyl groups. How are they formed?

Give reason for the following :
Nitric acid usually does not yield hydrogen from acids.

Give reason for the following:
Lighting is a blessing in disguise.

Write the IUPAC name of the foloowing:

CH₃CH₂CH₂CH₂CH₃

Write the IUPAC name of the foloowing: 

CH₃CH₂Ch= CHCH₃

Write the IUPAC name of the foloowing:

CH₃ - C = CH

Give reason for the following:
Concentrated nitric acid is brown in colour.

Define a functional group with two examples. write the Functional groups for
(i) Alcohol
(ii) Ketone
(iii) Carboxylic acid

Give reason for the following:
Concentrated nitric acid is a stronger oxidizing agent.

Give the names  of the following functional groups:

-OH, >- c = o, -CHO, -COOH

Give the trivial names and IUPAC names of the following:
(a) C₃H₆
(b) C₂H₄
(c) C₂H₂
(d) CH₃0H
(e) CH₃COOH

Which organic compound is indicated by marsh gas and fire damp?

Give two chemical tests for nitric acid.