The condensed
formula of acetylene is ……
a) CH=CH
b) CH2=CH2
c) CH3—CH3
d) CH3—CH2—CH2—CH3
Preparation of alkynes:-
Alkynes can be prepared from saturated organic compounds by an …….. reaction.
a) elimination
b) substitution
c) combustion
d) dehydration
Organic compounds in which dihalides are attached to the adjacent carbon atom are called
a) vicinal dihalides
b) alkyl halide
c) both a & b
d) none of these
The formula of potassium hydroxide is …….
a) OH
b) KOH
c)HBr
d) HI
