EXERCISES (UNSOLVED)

The gas evolved when ethanoic acid is added to sodium carbonate.

The functional group present in an organic compound which gives brisk effervescence with sodium hydrogen carbonate.

The hydrocarbon formed when ethanol is heated with concentrated sulphuric acid at $170°\mathrm{C}$.

A catalyst used in the hydrogenation of unsaturated compound.   

A liquid carbon compound used as an additive in petrol in some countries.

A double bond between two carbon atoms is formed when each carbon shares _____ electron pairs. (One/ Two/ Three)

Identify the reaction. (Hydrogenation/ Substitution)

${\mathrm{CH}}_2={\mathrm{CH}}_2+{\mathrm{H}}_2\stackrel{\mathrm{Ni}}{\to }{\mathrm{CH}}_3-{\mathrm{CH}}_3$

Identify the reaction. (Reduction/ Oxidation)

${\mathrm{C}}_2{\mathrm{H}}_5-\mathrm{OH}+2\left[\mathrm{O}\right]\stackrel{\mathrm{Alk}.{\mathrm{KMnO}}_4/∆}{\to } {\mathrm{CH}}_3-\mathrm{COOH}$