DP Chemistry (first assessment 2025)

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Question EXM.1A.HL.TZ0.5

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Date May Example question Marks available [Maximum mark: 1] Reference code EXM.1A.HL.TZ0.5
Level HL Paper 1A Time zone TZ0
Command term Question number 5 Adapted from N/A
5.
[Maximum mark: 1]
EXM.1A.HL.TZ0.5

Which is the product when but-1-yne reacts with excess hydrogen gas?


A.  But-1-ene

B.  Butane

C.  But-2-ene

D.  No reaction

[1]

Markscheme

B

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