CBSE 2024 · Region 2 · Set 1 · Q34

(i)

Give reason why carbon can neither form $\displaystyle \mathrm{C}^{4+}$ cations nor $\displaystyle \mathrm{C}^{4-}$ anions but form covalent compounds.

(ii)

What is homologous series of carbon compound ? Write the molecular formula of any two consecutive members of homologous series of aldehydes.

(iii)

Draw the structure of the molecule of cyclohexane $\displaystyle \left(\mathrm{C}_{6} \mathrm{H}_{12}\right)$.

(iii)

OR 34. (b) (i) Name a commercially important carbon compound having functional group -OH and write its molecular formula.

(ii)

Write chemical equation to show its reaction with

(1)

Sodium metal

(2)

Excess conc. sulphuric acid

(3)

Ethanoic acid in the presence of an acid catalyst

(4)

Acidified potassium dichromate Also write the name of the product formed in each case.

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