Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?
1. NaNH2
2. HCl
3. O2
4. Br2
A compound is treated with NaNH2 to give sodium salt. Identify the compound.
1. C2H2 2. C6H6
3. C2H6 4. C2H4
A compound that is formed on passing chlorine through propene at 400C is -
1. PVC
2. Allyl chloride
3. Nickel chloride
4. 1,2-Dichloro ethane
In the following reaction,
Product A is-
1.
2.
3.
4.
The monochlorinated products (excluding stereo-isomers) obtained from the reaction is:
1. 4
2. 5
3. 6
4. 7
When acetylene is passed through dil. in presence of , the compound formed is
1. ether
2. ketone
3. acetic acid
4. acetaldehyde
Acetylenic hydrogens are acidic because
1. sigma electron density of C-H bond in acetylene is nearer to carbon which has 50% s-character
2. acetylene has only one hydrogen on each carbon
3. acetylene contains least number of hydrogens among the possible hydrocarbons having two carbons
4. acetylene belong to the class of alkynes with molecular formula
A compound is treated with to give sodium salt. Identify the compound.
1.
2.
3.
4.
Ethylene forms ethylene chlorohydrin by the action of:
1. dry chlorine gas
2. dry hydrogen chlorine gas
3. solution of chlorine gas in water
4. dilute hydrochloric acid
Which alkene on ozonolysis gives
\(CH_3CH_2CHO\) and \(CH_3CCH_3\\ ~~~~~~~~||\\ ~~~~~~~~O\)
1.
2.
3.
4.