1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the incorrect statement from the following :

A

The largest and the smallest species among $\mathrm{Mg}, \mathrm{Mg}^{2+}, \mathrm{Al}$ and $\mathrm{Al}^{3+}$ are Al and $\mathrm{Mg}^{2+}$ respectively.

B

The IUPAC name of the element with atomic number 107 is Unnilseptium.

C

The similarity in behaviour of Li with Mg is referred to as 'diagonal relationship'

D

The oxidation state and covalency of Al in $\left[\mathrm{AlCl}\left(\mathrm{H}_2 \mathrm{O}\right)_5\right]^{2+}$ are 3 and 6, respectively.

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law due to :

A

Increase in escaping tendency of molecules of each component.

B

Formation of hydrogen bonding between acetone and chloroform

C

Stronger intermolecular forces between chloroform molecules than those between chloroform and acetone molecules.

D

Repulsive forces.

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The number of chlorine atoms present in the organic products $X$ and $Y$ of the following reactions, respectively, are :

NEET 2026 Chemistry - Hydrocarbons Question 1 English

A

3 and 3

B

6 and 3

C

6 and 6

D

3 and 6

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The speed of light in vacuum is taken as unity. If light takes 6 min 40 s to reach the Earth from the Sun, the distance between the Sun and the Earth in new unit is:

A

$3 \times 10^8$

B

500

C

$3 \times 10^{10}$

D

400