Embibe Experts Solutions for Chapter: Organic Chemistry, Exercise 1: West Bengal Board-2020

The molecular formula of the organic compound is ${\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{O}}_2$, the compound is soluble in water and on the addition of ${\mathrm{NaHCO}}_3$ to the aqueous solution of the compound, ${\mathrm{CO}}_2$ is evolved. Identify the organic compound. Write with condition and balanced chemical equation, the reaction of the compound with ethanol.

Write with balanced chemical equation of what happens when ethylene reacts with bromine.

Select the members of a homologous series from the following compounds and arrange them in increasing order of their molecular weights:

${\mathrm{CH}}_3\mathrm{COOH}, {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}, {\mathrm{CH}}_3{\mathrm{OCH}}_3, {\mathrm{CH}}_3\mathrm{OH}, {\mathrm{C}}_2{\mathrm{H}}_4, {\mathrm{C}}_2{\mathrm{H}}_6, {\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}, {\mathrm{C}}_3{\mathrm{H}}_4$

Write with an example what is meant by functional group. 

Two different organic compounds A and B have the same molecular formula of ${\mathrm{C}}_2{\mathrm{H}}_6\mathrm{O}$. A reacts with metallic sodium to produce hydrogen gas but B does not react with metallic sodium. Write structural formulas of the compounds A and B. Write the balanced chemical equation of the reaction of A with metallic sodium. 
 

Write the condition for the reaction of addition of hydrogen to ethylene. Write the balanced chemical equation of the reaction.

Mention one use of CNG. 

Mention one use of ethylene. 

Write with an example what is meant by saturated hydrocarbon.