DP Chemistry (first assessment 2025)

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Question 23M.1A.SL.TZ1.30

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ1.30
Level SL Paper 1A Time zone TZ1
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
23M.1A.SL.TZ1.30

What is the standard potential difference of this cell?

Fe (s) | Fe2+ (aq) || Ag+ (aq) | Ag (s)

Reaction E⦵
Fe2+ (aq) + 2e− ⇌ Fe (s) −0.45 V
Ag+ (aq) + e− ⇌ Ag (s) +0.80 V


A.  0.45 + 2(0.80)

B.  0.45 + 0.80

C.  −0.45 − 2(0.80)

D.  −0.45 − 0.80

[1]

Markscheme

B