d- and f-Block Elements: JEE Main 2026 Chemistry question

JEE Main 2026 · 4 Apr, Morning shift · Q60

JEE Main 20264 Apr, Morning shiftChemistryMediumd- and f-Block Elements158× since 2002

The correct statements among the following are, A. Mo(VI) and W(VI) are less stable than Cr(VI). B.

\mathrm{Ce^{4+}}

and

\mathrm{Tb^{4+}}

are oxidant while

\mathrm{Eu^{2+}}

and

\mathrm{Yb^{2+}}

are reductant. C. Cm and Am have seven unpaired electrons. D. Actinoid contraction is greater from element to element than lanthanoid contraction. Choose the correct answer from the options given below:

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JEE Main 2026 d- and f-Block Elements Question with Solution (4 Apr Morning shift, Q60) | JEE Arc