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

For a certain reaction $R \rightarrow$ Product, the plot of concentration $[R]$ vs time has a negative slope as shown. The order of reaction is :

NEET 2026 Chemistry - Chemical Kinetics Question 1 English
A

0

B

1

C

2

D

2.5

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

Identify the correct statement about $\mathrm{CIF}_3$ from the following options :

A

It has T-shaped geometry with two lone pairs on Cl atom.

B

It has T-shaped geometry with three lone pairs on Cl atom.

C

It has a trigonal pyramidal geometry with two lone pairs on Cl atom.

D

It has a planar trigonal geometry with two lone pairs on Cl atom.

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

In a test tube containing a salt, a few drops of dilute $\mathrm{H}_2 \mathrm{SO}_4$ was added, which gave colourless vapours having the smell of vinegar. The vapours turned the blue litmus paper red.

Identify the correct anion from the following :

A

Sulphide, $\mathrm{S}^{2-}$

B

Sulphate, $\mathrm{SO}_4^{2-}$

C

Acetate, $\mathrm{CH}_3 \mathrm{COO}^{-}$

D

Carbonate, $\mathrm{CO}_3^{2-}$

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

At 298 K , a certain buffer solution contains equal concentrations of $\mathrm{X}^{-}$and $\mathrm{HX}, \mathrm{K}_{\mathrm{b}}$ for $\mathrm{X}^{-}$is $10^{-10}$. What is the pH of this buffer solution?

A

2

B

4

C

6

D

10