The compound obtained by addition of water to an alkyne having more than two carbons, in the presence of \(\mathrm{HgSO_4 }\) and dilute \(\mathrm{H_2SO_4}\) at 333K, is:
1. | A vicinal diol | 2. | An aldehyde |
3. | An alcohol | 4. | A ketone |
An alkene on ozonolysis gives methanal as one of the products. Its structure is:
1. | 2. | ||
3. | 4. |
Which of the following is a free radical substitution reaction?
1. Benzene with Br2/AlCl3
2. Acetylene with HBr
3. Methane with Br2/hv
4. Propene with HBr/(C6H5COO)2
The alkane that gives only one monochloro product on chlorination with \(\text{Cl}_2\) in presence of diffused sunlight is-
1. | 2,2,-dimethylbutane | 2. | neopentane |
3. | n-pentane | 4. | Isopentane |