In the following the most stable conformation of n-butane is
A
B
C
D
Explanation
The anti-conformation is the most stable conformation of n-butane. In this, the bulky methyl groups are as far apart as possible thereby keeping steric repulsion at a minimum.
2
AIPMT 2009
MCQ (Single Correct Answer)
Which of the following compounds will exhibit cis-trans (geometrical) isomerism?
A
Butanol
B
2-Butyne
C
2-Butenol
D
2-Butene
Explanation
Alkenes with double bonds cannot undergo free rotation and can have different geometrical shapes with two different groups on each end of the double bond.
3
AIPMT 2009
MCQ (Single Correct Answer)
Benzene reacts with CH3Cl in the presence of anhydrons AlCl3 to form
A
chlorobenzene
B
benzyl chloride
C
xylene
D
toluene.
Explanation
4
AIPMT 2009
MCQ (Single Correct Answer)
The state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon,