alleryDihydrogen adds to alkenes and alkynes over catalysts to form:
AAlkanes
BAlkalis
CAlcohols
DAldehydes
Answer & Solution
Correct answer: A. Alkanes
1. Adding hydrogen removes the multiple bonds.
2. The product is fully saturated.
3. Dihydrogen gas adds to alkenes and alkynes over finely divided catalysts to form alkanes.
4. So the answer is alkanes.
_Source: syllabus Chemistry Part II, Unit 9 'Hydrocarbons'_
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