JEE Main

AI Gen: d and f Block Elements question bank (Chemistry)

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Q1.

Which of the following ions has the maximum magnetic moment (spin-only)?

Topic: d and f Block Elements | Source: AI Generated (JEE Main)

(A)
Fe2+
(B)
Co2+
(C)
Mn2+
(D)
Ni2+
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Q2.

Acidified potassium permanganate solution is decolorized by oxalic acid. The correct statement regarding this reaction is:

Topic: d and f Block Elements | Source: AI Generated (JEE Main)

(A)
Mn is reduced from +7 to +4
(B)
C is oxidized from +3 to +4
(C)
It is not a redox reaction
(D)
Oxalic acid acts as an oxidizing agent
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