MHT CET 2024 Chemistry question

What is the number of moles of sulphur atoms present in n mole molecules of mustard gas ?

(A)nCorrect
(B)3 n
(C)2 n
(D)4 n

Answer: (A)

Solution

Mustard gas is , i.e. (bis(2-chloroethyl) sulphide). Each molecule contains exactly one sulphur atom, so 1 mole of molecules contains 1 mole of S atoms. Therefore

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Question ID VK-092606