Question 49

By how many atomic mass units do subsequent members of homologous series differ?

Solution

The correct option is D.

In that series, successive members differ in mass by an extra methylene bridge (-CH2- unit) inserted in the chain. Thus the molecular mass of each member differs by 14 atomic mass units.

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RRB ALP 21st Aug 2018 Shift-1

By how many atomic mass units do subsequent members of homologous series differ?

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