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Chemistry · 2023 · 1 mark
The d-and f-Block ElementsGeneral Properties of the Transition Elements (d-Block)1 markAnalyseassertion reason
CBSE 2023 · Region 3 · Set 3 · Q18
Assertion (A): Fe^2+ acts as a reducing agent. Reason (R): Fe^3+ state is stable due to 3 d^5 configuration.
Assertion (A) : $\displaystyle \mathrm{Fe}^{2+}$ acts as a reducing agent.
Reason (R) : $\displaystyle \mathrm{Fe}^{3+}$ state is stable due to $\displaystyle 3 \mathrm{~d}^{5}$ configuration.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.