1
JEE Main 2026 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

One mole of $\mathrm{Cl}_2(\mathrm{~g})$ was passed into 2 L of cold 2 M KOH solution. After the reaction, the concentrations of $\mathrm{Cl}^{-}, \mathrm{ClO}^{-}$and $\mathrm{OH}^{-}$are respectively (assume volume remains constant)

A

$0.5 \mathrm{M}, 0.5 \mathrm{M}, 0.5 \mathrm{M}$

B

$1 \mathrm{M}, 1 \mathrm{M}, 1 \mathrm{M}$

C

$0.5 \mathrm{M}, 0.5 \mathrm{M}, 1 \mathrm{M}$

D

$0.75 \mathrm{M}, 0.75 \mathrm{M}, 1 \mathrm{M}$

2
JEE Main 2026 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A student has planned to prepare acetanilide from aniline using acetic anhydride.

The student has started from 9.3 g of aniline. However, the student has managed to obtain 11 g of dry acetanilide.

The % yield of this reaction is :-

A

59.5%

B

$72.5 %$

C

$97.5 %$

D

81.5%

3
JEE Main 2026 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { The wavelength of light absorbed for the following complexes are in the order } $$

JEE Main 2026 (Online) 24th January Evening Shift Chemistry - Coordination Compounds Question 20 English
A

III $<$ IV $<$ I $<$ II $<$ V

B

III $<$ I $<$ IV $<$ V $<$ II

C

III $<$ I $<$ IV $<$ II $<$ V

D

III $<$ I $<$ II $<$ IV $<$ V

4
JEE Main 2026 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Find out the statements which are not true.

A. Resonating structures with more number of covalent bonds and lesser charge separation are more stable.

B. In electromeric effect, an unsaturated system shows +E effect with nucleophile and -E effect with electrophile.

C. Inductive effect is responsible for high melting point, boiling point and dipole moment of polar compounds.

D. The greater the number of alkyl groups attached to the doubly bonded carbon atoms, higher is the heat of hydrogenation.

E. Stability of carbanion increases with the increase in $\mathrm{s}-$ character of the carbon carrying the negative charge.

Choose the correct answer from the options given below :

A

A, D & E only

B

A, C & D only

C

B & D only

D

B, D & E only

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