d and f Block Elements

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Q JEE MAIN 2019

The pair that has similar atomic radii is :

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Q JEE MAIN_2019_

Which of the following is a condensation polymer?

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Q JEE MAIN 2019

The transition element that has lowest enthalpy of atomisation, is

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Q JEE MAIN 2019

The transition element that has lowest enthalpy of atomisation, is

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Q JEE MAIN 2019

The correct order of atomic radii is

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Q JEE MAIN 2020

The correct electronic configuration and spinonly magnetic moment (BM) of $\mathrm{Gd}^{3+}(\mathrm{Z}=64)$, respectively, are

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Q JEE MAIN 2020

The lanthanoid that does NOT show +4 oxidation state is

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Q JEE MAIN 2020

Mischmetal is an alloy consisting mainly of

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Q JEE MAIN 2020

The electronic configurations of bivalent europium and trivalent cerium are
(atomic number : Xe = 54, Ce = 58, Eu = 63)

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Q JEE MAIN 2020

The third ionization enthalphy is minimum for

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