CBSE Class 10 Science 2016 Term II Outside Delhi Set 1

Question : 8 of 36

Marks: +1, -0

An aldehyde as well as a ketone can be represented by the same molecular formula, say

{\C}_3 {\H}_6 {\O}

. Write their structures and name them. State the relation between the two in the language of science.

Solution:

{\C}_3 {\H}_6 {\O}

{\H}- {\C}↖{|↖{\H}}↙{|↙{\H}}- {\C}↖{||↖{\O}}- {\C}↖{|↖{\H}}↙{|↙{\H}}- {\H}

Propanone (Ketone)

{\H}- {\C}↖{|↖{\H}}↙{|↙{\H}}- {\C}↖{|↖{\H}}↙{|↙{\H}}- {\CHO}

Propanal (aldehyde)
They are isomers i.e., they have same molecular formula and different structural formula.

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