1.
The total number of cyclic isomers possible for a hydrocarbon with the molecular formula is
2.
3.
A molecule of urea can show
4.
5.
Geometrical isomerism is possible in case of
6.
The strongest best among the following is :
7.
Anti-Markownikoff addition of HBr is not observed in :
8.
The number of and carbon atoms present in isopentane are respectively :
9.
The restricted rotation about carbon-carbon double bond in 2-butene is due to:
10.
Formation of acetylene from ethylene is an example of