The number of isomeric structures possible for a molecule having molecular formula C5H12:
A
2
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B
3
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C
5
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D
4
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Solution
The correct option is A 3 Number of isomeric structures possible for a molecule having molecular formula C5H12 are 3 and the formula for them are: i) n-Pentane: CH3−CH2−CH2−CH2−CH3 ii) iso-pentane( methyl butane) : CH3−CH(CH3)−CH2−CH3 iii) neo-pentane( dimethyl propane): CH3−C(CH3)2−CH3