CUET · CHEMISTRY · PYQ PAPER 2025

The chemical composition of Tollens' reagent is

A Sodium bicarbonate
B Mercurous chloride
C lodoform
D Ammoniacal silver nitrate solution

Verified Solution

Answer & Solution

Correct Answer

(D) Ammoniacal silver nitrate solution

Step-by-step Solution

Detailed explanation

Ammoniacal silver nitrate solution

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Match List-I with List-II

List-I	List-II
(A) Electric potential V due to a single charge	(I) \(\propto r^0\)
(B) Electric flux due to a positive point charge through sphere of radius r	(II) \(\propto \frac{1}{r^2}\)
(C) Electric intensity E due to a point charge	(III) \(\propto \frac{1}{r}\)
(D) Electric intensity E due to dipole	(IV) \(\propto \frac{1}{r^3}\)

Choose the correct answer from the options given below :

CUET 2023 Hard

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List-I	List-II
A. Ni	I. 3d series
B. Cu	II. Lanthanoid contraction
C. Gd	III.\(d^{10}\)
D. Cs	IV. Alkali metal

List-I	List-II
(A) Electric Field	(I) [ LTA ]
(B) Electric Flux	(II) \( [ L^2 ] \)
(C) Electric Dipole Moment	(III) \( [ M L T^{-3} A^{-1} ] \)
(D) Area Vector Element	(IV) \( [ M L^3 T^{-3} A^{-1} ] \)