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

Write balanced equations for the three chemical reactions that take place during the conversion of sulphur dioxide to sulphuric acid in the contact process. Name the catalyst used in the contact process.

Name the oxide of sulphur which reacts water to give sulphuric acid.
In the contact process, the direct reaction between oxide of sulphur and water is avoided. In this process what does the oxide of sulphur react with instead of water, and what is the name of the product?

Write balanced chemical equation for the reaction between zinc and dilute sulphuric acid.
(i) What is the purpose of the contact process ?
(ii) Name the catalyst used in the contact process.
(iii) Write the balanced equation for the reaction in the contact process, which takes place in the presence of catalyst.

With the help of equations, give an outline for the manufacture of sulphuric acid by the contact process.

In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.

Name the process used for the large scale manufacture of sulphuric acid.

How will you identify?
An amphoteric hydroxide

Write the equation of the following laboratory preparation:

Ethane from sodium propionate.

Write the equation of the following laboratory preparation: 

Ethene from iodoethane.

Draw the structural formula of a compound with two carbon atoms in the following case:

An alkane with a carbon to carbon single bond.

Draw the structural formula of a compound with two carbon atoms in the following case:

An alcohol containing two carbon atoms.

Draw the structural formula of a compound with two carbon atoms in the following case:

An unsaturated hydrocarbon with carbon to carbon triple bond.

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name

The compound with -COOH as apart of its structure.

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name

Homologue of homologous series with general formula C_nH_2n.

What happens when
NH₃ solution is added to CuSO₄ solution drop by drop and then in excess.

Give the correct IUPAC name and the fiJnctional group for each of the
compounds whose structural formulae are given below:

\[\begin{array}{cc}
\phantom{.....................}\ce{H}\phantom{...}\ce{H}\phantom{....}\ce{O}\phantom{...............}\\
\phantom{...........}| \phantom{....}|\phantom{.} \phantom{..}//\phantom{......}\\
\ce{H-C-C-C}\\
\phantom{.......}| \phantom{....}|\phantom{..}\phantom{..}\text{\\} \phantom{..}\\
\phantom{...............}\ce{H}\phantom{...}\ce{H}\phantom{}\phantom{...}\ce{H}\phantom{.........}\
\end{array}\]

Give the correct IUPAC name and the fiJnctional group for each of the
compounds whose structural formulae are given below:

\[\begin{array}{cc}
\phantom{......}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\phantom{........}\\
\phantom{}|\phantom{...}|\phantom{...}|\phantom{..}\\
\ce{H-C-C-C-OH}\\
\phantom{}|\phantom{...}|\phantom{...}|\phantom{..}\\
\phantom{......}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\phantom{........}\\
\end{array}\]

What happens when
Common salt solution is added to silver nitrate solution and NH₃ solution add to it.

Write the equation for the preparation of carbon tetrachloride from methane.

Draw the structural formula of ethyne.