CUET · CHEMISTRY · PYQ PAPER 2023

Chlorine is extracted from brine by:

A Oxidation
B Leaching
C Distillation
D Reduction

Verified Solution

Answer & Solution

Correct Answer

(A) Oxidation

Step-by-step Solution

Detailed explanation

Oxidation

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.

Same subject

What is the source of nitrogen in Gabriel synthesis of primary aliphatic amines?

CUET 2025 Hard

Match List I with List II

LIST I (Order)	LIST II (Units of k)
A. Zero order reactions	I. \(\backslash s^{-1}\)
B. 1st order	II. \(m \operatorname{mol}^{-2} L^2 s^{-1}\)
C. 2nd order	III. \(\operatorname{mol} L^{-1} s^{-1}\)
D. 3rd order	IV. \(\backslash\) mol \(^{-1} L s^{-1}\)

Choose the correct answer from the options given below:

CUET 2023 Easy

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