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

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

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 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-

An alkene "A" on reaction with ${\mathrm{O}}_3$ and $\mathrm{Zn}-{\mathrm{H}}_2\mathrm{O}$ gives propanone and ethanal in equimolar ratio. The addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:

1.		2.
3.		4.

In the given hydrocarbon, 

 
The type/state of hybridization of carbons 1, 3, and 5 respectively are:

1. sp², sp, sp³

2. sp, sp³, sp²

3. sp, sp², sp³

4. sp³, sp², sp