Number of bonds in benzene :
6 and 3
12 and 3
3 and 12
6 and 6
B.
12 and 3
Thus in benzene , 12 and 3 bonds are present .
In the above sequence Y can be
3-nitrochlorobenzene
1-nitrochlorobenzene
4-nitrochlorobenzene
none of these
The reagent used in Gatterman Koch aldehyde synthesis is :
Pb/BaSO4
alkaline KMnO4
acidic KMnO4
CO + HCl
Cetane is a compound which has very good ignition property .Chemically it is :
CH3(CH2)14CH3
(CH3)3C(CH2)11CH3
C17H34
None of the above