The reagent used to convert an alkyne to alkene is
Zn/HCl
Sn/HCl
Zn-Hg/HCl
Pd/H2
D.
Pd/H2
Alkynes are converted into alkenes by using Lindlar's catalyst (H2/ Pd).
The IUPAC name for tertiary butyl iodide is
4-iodo butane
2-iodo butane
1-iodo-3-methyl propane
2-iodo-2-methyl propane
The carbon-carbon bond length in benzene is
in between C2H6 and C2H4
same as in C2H4
in between C2H6 and C2H2
in between C2H4 and C2H2
Which one of these is not true for benzene?
It forms only one type of monosubstituted product
There are three carbon-carbon single bonds and three carbon-carbon double bonds
The heat of hydrogenation of benzene is less than the theoretical value
The bond angle between the carbon-carbon bonds is 120°
Which one of the following conformations of cyclohexane is the least stable?
Half-chair
Boat
Twisted-boat
Chair