Question

Propyne and propene can be distinguished by

A. $$conc.\,\,{H_2}S{O_4}$$
B. $$B{r_2}\,{\text{in}}\,CC{l_4}$$
C. $$dil.\,KMn{O_4}$$
D. $$AgN{O_3}$$  in ammonia  
Answer :   $$AgN{O_3}$$  in ammonia
Solution :
In propyne $$\left( {C{H_3}C \equiv CH} \right),$$    the terminal hydrogen is acidic and reacts with ammonical $$AgN{O_3}.$$

Releted MCQ Question on
Organic Chemistry >> Hydrocarbons (Alkane, Alkene and Alkyne)

Releted Question 1

Marsh gas mainly contains

A. $${C_2}{H_2}$$
B. $$C{H_4}$$
C. $${H_2}S$$
D. $$CO$$
Releted Question 2

Which of the following decolourises alkaline $$KMn{O_4}$$

A. $${C_3}{H_8}$$
B. $${C_2}{H_4}$$
C. $$C{H_4}$$
D. $$CC{l_4}$$
Releted Question 3

The compound with the highest boiling point is

A. $$n $$ - hexane
B. $$n $$ - pentane
C. 2, 2 - dimethylpropane
D. 2 - methylbutane
Releted Question 4

The maximum number of isomers for an alkene with the molecular formula $${C_4}{H_8}$$  is

A. 2
B. 3
C. 4
D. 5

Practice More Releted MCQ Question on
Hydrocarbons (Alkane, Alkene and Alkyne)


Practice More MCQ Question on Chemistry Section