DP Chemistry (first assessment 2025)

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Question EXM.2.HL.TZ0.3

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Date May Example question Marks available [Maximum mark: 2] Reference code EXM.2.HL.TZ0.3
Level HL Paper 2 Time zone TZ0
Command term State Question number 3 Adapted from N/A
3.
[Maximum mark: 2]
EXM.2.HL.TZ0.3

State the oxidation state of C2 in the reactant and product in the following reaction and the type of the reaction.

 

Reactant: ..............................................................................................................................................


Product: ................................................................................................................................................


Type of reaction: ....................................................................................................................................

[2]

Markscheme

Reactant: −2
AND
Product: −4  ✔

Mechanism: reduction/hydrogenation ✔

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