MCQ
Which one of the following compound will give addition reaction?
- ACH4
- BC2H6
- CC2H4
- DC3H8
✓
Answer
- C2H4
Explanation:
CH4, C2H6 and C3H8 are saturated hydrocarbons.
Hence, they will give substitution reaction.
C2H4 on the other hand is an unsaturated hydrocarbon.
It will give addition reaction.
For example, catalytic hydrogenation of ethylene gives ethane. A molecule of hydrogen is added across C=C double bond.
C2H4 + H2 $\xrightarrow{\text{Ni/Pt/Pd}}$ C2H6
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