MHT CET 2026 Chemistry question

Not in JEE Main or NEET syllabus

Which of the following is a green alternative for dry cleaning solvents?

(A)Benzene
(B)Carbon tetrachloride
(C)Perchloroethylene
(D)Supercritical Correct

Answer: (D)

Solution

Tetrachloroethene (perchloroethylene, ), the traditional dry-cleaning solvent, is a suspected carcinogen and groundwater contaminant. In green chemistry it is replaced by liquid or supercritical carbon dioxide (with a suitable detergent), which is non-toxic,

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Question ID VK-096254