Oxidation of Alkenes

Q.

What happens when ethene burns in the air if the supply of air is in excess?

1. Carbon dioxide is produced

2. Hydrogen gas is produced

3. Oxygen gas is produced

4. Carbon monoxide is produced

Q.

Unsaturation in the organic compound can be tested by the help of :

1. Baeyer's test

2. Dehydration reaction

3. Fehling's solution

4. Chlorine water

Q. The products obtained when 2-methylpropene is oxidised with hot conc. acidic $KMn{O}_4$ are .

1. $({\mathrm{CH}}_3{)}_{2}C=O,\mathrm{HCHO}$
2. $({\mathrm{CH}}_3{)}_{2}C=O,{\mathrm{CO}}_2,H_{2}O$
3. ${\mathrm{CH}}_3\mathrm{COOH},\mathrm{HCHO}$

Q. The products obtained when 2-Methylpropene is oxidised with hot conc. acidic $KMn{O}_4$ are

1. $({\mathrm{CH}}_3{)}_{2}C=O,\mathrm{HCHO}$
2. $({\mathrm{CH}}_3{)}_{2}C=O,{\mathrm{CO}}_2\&H_{2}O$
3. ${\mathrm{CH}}_3\mathrm{COOH},\mathrm{HCHO}$

Q. Match the reactants with the respective products formed.

1. ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CH}}_2+\left(O\right]$
2. ${\mathrm{CH}}_2={\mathrm{CH}}_2+\left(O\right]$
3. ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CHCH}}_3+\left(O\right]$
4. 1, 2-Epoxypropane
5. Oxirane
6. 2, 3-Epoxybutane

Q.

Give balanced equations when :
(a) ethene is burnt in excess of oxygen.
(b) ethene reacts with chlorine.
(c) ethene combines with hydrogen chloride.
(d) a mixture of ethene and hydrogen is passed over nickel at ${200}^{\circ }C$.

Q. Match the reactants with the respective products formed.

1. ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CH}}_2+\left(O\right]$
2. ${\mathrm{CH}}_2={\mathrm{CH}}_2+\left(O\right]$
3. ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CHCH}}_3+\left(O\right]$
4. 1, 2-Epoxypropane
5. Oxirane
6. 2, 3-Epoxybutane

Q. The products obtained when 2-Methylpropene is oxidised with hot conc. acidic $KMn{O}_4$ are

1. $({\mathrm{CH}}_3{)}_{2}C=O,\mathrm{HCHO}$
2. $({\mathrm{CH}}_3{)}_{2}C=O,{\mathrm{CO}}_2\&H_{2}O$
3. ${\mathrm{CH}}_3\mathrm{COOH},\mathrm{HCHO}$

Q. The products obtained when 2-methylpropene is oxidised with hot conc. acidic $KMn{O}_4$ are .

1. $({\mathrm{CH}}_3{)}_{2}C=O,\mathrm{HCHO}$
2. $({\mathrm{CH}}_3{)}_{2}C=O,{\mathrm{CO}}_2,H_{2}O$
3. ${\mathrm{CH}}_3\mathrm{COOH},\mathrm{HCHO}$

Q.

What happens when ethene burns in the air if the supply of air is in excess?

1. Carbon monoxide is produced

2. Oxygen gas is produced

3. Carbon dioxide is produced

4. Hydrogen gas is produced