A mixture of hept-1-yne, hept-2-yne, and hept-3-yne was hydrogenated in the presence of a platinum catalyst until hydrogen uptak
e ceased. If one assumes that the hydrogenation went to completion, how many different seven-carbon hydrocarbons were produced?
1 answer:
Answer:
Only one seven carbon hydrocarbon was produced.
Explanation:
- Alkynes are reduced completely in presence of
to produce alkanes.
- Hydrogenation in presence of Pt is a simple nucleophilic addition process where
molecule adds onto an unsaturated bond.
- Hept-1-yne, hept-2-yne and hept-3-yne are constitutionally isomeric to each other. Hence, after complete reduction, all three alkynes produced heptane as only product.
- So, only one seven carbon hydrocarbon was produced.
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Answer:
The correct answer is option D.
Explanation:
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All the precipitates are insoluble in cold water but out of all these only lead(II) chloride is soluble in warm water.