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

The first organic compound prepared by Wohler in the laboratory was

Define the following term:
Constant boiling mixture

Soda-lime is a mixture of

When sodium propionate is heated with soda-lime, the product formed is

LPG contains

Methane reacts with energy of chlorine in diffused sunlight to give the final product as

Define the following term : Oleum

Ethene reacts with 1% cold alkaline KMnO₄ to give

When ethanol is heated with conc. H₂SO₄ at 170^oC, it gets converted into ethane. In this reaction conc. H₂SO₄ acts as

What word is used to describe theses three compounds taken together?

For each of the compounds : (a) ethane (b) vinegar (c) Marsh gas draw the relevant structural formula

Name the following:
The catalyst used in the constant process.

What is the special feature of the structure of:

(a) C₂H₂  

(b) C₂H₄

What type of reaction is common to both of these compounds?

Give the name and structural formula of:

A saturated Hydrocrbon

Give the name and strusctural formula of:

Ansaturated hydrocarbon with a double bond.

Copy and complete the following sentence:

A saturated hydrocarbon will undergo _______reactions, whereas the typical reaction of an unsaturated hydrocarbon is _______.

Write the equation for the laboratory preparation of Ethyne (acetylene) from calcium carbide.

What is the special feature of the structure of Ethyne?

What would you see when ethyne is bubbled through a solution of bromine in carbon tetrachloride?