What type of reaction occurs when alkenes react with hydrogen in the presence of a platinum catalyst?

Practise this OAT Optometry Admission Prep question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.

Download PDF Watch video

Multiple choice — select the best answer

ADehydration
BOxidation
CSubstitution
DHydrogenation

✓ Correct answer: D. Hydrogenation When alkenes react with hydrogen ($$H_{2}$$) in the presence of a platinum catalyst, hydrogenation occurs. This is an addition reaction where the hydrogen atoms add across the double bond, converting the alkene to an alkane.

.q-expl{display:block!important}.q-opt[data-idx="3"]{border-color:#16a34a;background:#f0fdf4}.q-opt[data-idx="3"] .oltr{background:#16a34a;color:#fff}.q-opt{cursor:default!important;pointer-events:none}

Keep practising. Use the free OAT Optometry Admission Prep PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.

Free PDF Video walkthrough

← Previous Next → 🎲 Random question ↩ Back to all questions

Keep practising

What type of reaction occurs when alkenes react with hydrogen in the presence of a platinum catalyst?

Related questions

Free practice here. Timed mocks when you are ready.