DP Chemistry (first assessment 2025)

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Question SPM.1A.HL.TZ0.35

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.35
Level HL Paper 1A Time zone TZ0
Command term Question number 35 Adapted from N/A
35.
[Maximum mark: 1]
SPM.1A.HL.TZ0.35

In a redox titration, manganate(VII) ions are reduced to manganese(II) ions and iron(II) ions are oxidized to iron(III) ions.

MnO4- (aq) reduced to Mn2+ (aq)
Fe2+ (aq) oxidized to Fe3+ (aq)


What volume, in cm3, of 0.1 mol dm-3 MnO4- (aq) is required to reach the equivalence point in the titration of 20.00 cm3 of 0.1 mol dm-3 Fe2+ (aq)?


A.  2.00

B.  4.00

C.  20.00

D.  100.00

[1]

Markscheme

B