MHT CET 2024 Chemistry question

What is the molar mass of third member of homologous series if the molar mass of first member is 46 g ?

(A)60 g
(B)74 gCorrect
(C)138 g
(D)80 g

Answer: (B)

Solution

Successive members of a homologous series differ by a unit, i.e. by g mol. A first member of molar mass 46 g is formic acid, HCOOH (). The second member is acetic acid, (60 g),

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Question ID VK-092625