An alkene on ozonolysis gives methanal as one of the products. Its structure is:

1.		2.
3.		4.

Which of the following alkane cannot be made in good yield by Wurtz reaction?

Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) $\mathrm{\beta }$-Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction

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

In the following reaction,

\(\mathrm{ CH_{3}C\equiv CH\xrightarrow[Red \ hot \ iron \ tube]{873 K} \ A}\)

The number of ($\sigma$) bonds present in the product (A) is:

The alkane that gives only one monochloro product on chlorination with \(\text{Cl}_2\) in presence of diffused sunlight is-

The dihedral angle of the least stable conformer of ethane is:

The major product of the following chemical reaction is:

1.
2.
3.
4.

The reaction among the following that proceeds through an electrophilic substitution reaction is:

1.
2.
3.
4.

The most suitable reagent for the following conversion is-