MHT CET 2023 Chemistry question

Not in JEE or NEET syllabus

Which among following statements is NOT true according to principles of green chemistry?

(A)In a chemical synthesis the waste product should be zero or minimum
(B)Good atom economy means very few atoms of reactants are incorporated in the productCorrect
(C)Only small accounts of unwanted byproducts are formed
(D)Use of Lindane is better than DDT.

Answer: (B)

Solution

Atom economy = . Good (high) atom economy means MOST atoms of the reactants end up in the product, so statement (b), which says 'very few atoms', is false.

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Question ID VK-095311