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

The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.

1. Identify X, Y and Z.
2. Write the equation for the action of heat on X.
3. Write the equation between solution X and gas Z.

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]

Name the product formed and give the appropriate chemical equation for the following:

Sodium reacting with ethyl alcohol.

Name the product formed and give an appropriate chemical equation for the following:

Ethanol oxidised by acidified potassium dichromate.

Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.

Name an organic compound which is used for illuminating country houses.

Name an organic compound which is used for making a household plastic material.

Name an organic compound which is called ‘wood spirit’.

Name an organic compound which is poisonous and contains OH group.

Name an organic compound which is consumed as a drink.

Name an organic compound which is Made from water gas ?

What are carboxylic acids?

Give the general formula of carboxylic acids.

Write the names of the first three members of the carboxylic acid series.

Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.

Vinegar is greyish in colour with a particular taste. Explain.

Give the structural formulae of acetic acid.

What is glacial acetic acid?

Complete :

The organic acid present in vinegar is ……………………..

The next higher homologue of ethanoic acid is ______.