By which mechanism does the chlorination of methane take place?

1. Elimination

2. ${\mathrm{S}}_{\mathrm{N}}1$

3. Free radical

4. ${\mathrm{S}}_{\mathrm{N}}2$

The products formed after ozonolysis of Pent-2-ene are:

1. Ethanal and Methanal

2. Ethanal and Propanal

3. Ethanal and Butanal

4. Ethanal and  Ethanal

Among the two isomers given above, the reason behind higher boiling point of one isomer as compared to the order is :

1. Cis - less polar than trans

2. Trans - more polar than cis

3. Cis - more intermolecular forces

4. Trans - more dipole-dipole interactions

Incorrect statement regarding aromaticity among the following is:

Non aromatic molecule(s)among the following is/are :

1.		2.
3.		4.	All of the above

The catalyst used in the conversion of benzene into acetophenone is:

1. Anhydrous AlCl₃

2. HNO₃

3. HCl

4. Heating

The effect of branching on an alkane is:
1. It increases its boiling point
2. It decreases its boiling point
3. It doesn’t change its boiling point
4. None of the above

What are the products obtained when \(\text{HBr}\) is added to propene in the absence and presence of benzoyl peroxide, respectively?

1. 1-Bromopropane, 2-Bromopropane

2. 2-Bromopropane, 1-Bromopropane

3. 1-Bromopropanol, 2-Bromopropanone

4. 2-Bromopropanone, 1-Bromopropanol

Decreasing order of acidic behavior of benzene, n-hexane, and ethyne is:

1. Hexane > Ethyne > Benzene

2. Benzene > Hexane > Ethyne

3. Ethyne > Benzene > Hexane

4. Benzene > Ethyne > Hexene

Incorrect statement towards reactivity of benzene is: