NEET 2024 (Re-Examination) | d and f Block Elements Question 5 | Chemistry

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NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Which of the following set of ions act as oxidising agents?

$$\mathrm{Ce}^{4+}$$ and $$\mathrm{Tb}^{4+}$$

$$\mathrm{La}^{3+}$$ and $$\mathrm{Lu}^{3+}$$

$$\mathrm{Eu}^{2+}$$ and $$\mathrm{Yb}^{2+}$$

$$\mathrm{Eu}^{2+}$$ and $$\mathrm{Tb}^{4+}$$

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

The UV-visible absorption bands in the spectra of lanthanoid ions are 'X', probably because of the excitation of electrons involving 'Y'. The 'X' and 'Y', respectively, are : Narrow and d and f orbitals

Broad and f orbitals

Narrow and f orbitals

Broad and d and f orbitals

Narrow and d and f orbitals

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Match List I with List II:

	List - I (Block/group in periodic table)		List - II (Element)
(A)	Lanthanoid	(I)	Ce
(B)	d-block element	(II)	As
(C)	p-block element	(III)	Cs
(D)	s-block element	(IV)	Mn

Choose the correct answer from the options given below:

A-I, B-II, C-IV, D-III

A-I, B-IV, C-III, D-II

A-I, B-IV, C-II, D-III

A-IV, B-I, C-II, D-III

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Identify the incorrect statement.

$$\mathrm{PEt}_3$$ and $$\mathrm{AsPh}_3$$ as ligands can form $$\mathrm{d} \pi-\mathrm{d} \pi$$ bond with transition metals

The $$\mathrm{N}-\mathrm{N}$$ single bond is as strong as the $$\mathrm{P}-\mathrm{P}$$ single bond

Nitrogen has unique ability to form $$p \pi-p \pi$$ multiple bonds with nitrogen, carbon and oxygen

Nitrogen cannot form $$\mathrm{d} \pi-\mathrm{p} \pi$$ bond as other heavier elements of its group

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