A Level Chemistry 9701/13/O/N/19 Q39

Question

Hydrogen cyanide reacts with propanone in the presence of potassium cyanide.
Which statements about this reaction are correct?
1 The cyanide ion is a catalyst for the reaction.
2 This is an addition reaction.
3 The intermediate behaves as a base.

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    2021-06-27T14:46:47+08:00

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