Q.

Statement-1: CO2+K2Cr2O7 no reaction.
Statement-2: Carbon is already in high-test possible oxidation state.

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a

Both (A) and (R) are true but (R) is not the correct explanation of (A)

b

Both (A) and (R) are true and (R) is the correct explanation of (A)

c

Both (A) and (R) are false

d

(A) is true but (R) is false

answer is A.

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Detailed Solution

Carbon dioxide is the only gas that is unaffected by either acidified potassium dichromate or potassium permanganate solution.

Hence, option A is correct.

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