- 2019: The number of isomeric alkenes with the molecular formula C6H12 is: (A) 3 (B) 4 (C) 5 (D) 6
The answer is (D).
There are 6 isomers of C6H12:
- CH3CH2CH2CH2CH2CH2
- CH3CH2CH(CH3)CH2CH3
- CH3CH(CH3)CH2CH2CH3
- CH3CH2CH(CH3)CH(CH3)2
- CH3CH(CH3)2CH2CH2CH3
- (CH3)3CCH2CH3
- 2018: The IUPAC name of the compound CH3-CH(CH3)-CH2-CHO is: (A) 2-methylbutanal (B) 3-methylbutanal (C) 3-methylpropanal (D) 2-methylpropanal
The answer is (A).
The IUPAC
