QQuestion
An unsaturated hydrocarbon having two carbon atoms was made to react with two moles of hydrogen gas in the presence of a catalyst to give a saturated hydrocarbon. Using the above information, answer the following questions:
(a) The type of reaction that occurred is …………… . (addition / substitution)
(b) Name a suitable catalyst which is used in the reaction.
(c) Write a balanced chemical equation for the above reaction.
✓Answer
(a) The type of reaction that occurred is addition.
(b) Nickel (Ni)
(c) \mathrm{C_2H_2 + 2H_2} \xrightarrow{\mathrm{Ni}} \mathrm{C_2H_6}
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