Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

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

A
$$\mathrm{Ce}^{4+}$$ and $$\mathrm{Tb}^{4+}$$
B
$$\mathrm{La}^{3+}$$ and $$\mathrm{Lu}^{3+}$$
C
$$\mathrm{Eu}^{2+}$$ and $$\mathrm{Yb}^{2+}$$
D
$$\mathrm{Eu}^{2+}$$ and $$\mathrm{Tb}^{4+}$$
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-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

A
Broad and f orbitals
B
Narrow and f orbitals
C
Broad and d and f orbitals
D
Narrow and d and f orbitals
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-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
A-I, B-II, C-IV, D-III
B
A-I, B-IV, C-III, D-II
C
A-I, B-IV, C-II, D-III
D
A-IV, B-I, C-II, D-III
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Identify the incorrect statement.

A
$$\mathrm{PEt}_3$$ and $$\mathrm{AsPh}_3$$ as ligands can form $$\mathrm{d} \pi-\mathrm{d} \pi$$ bond with transition metals
B
The $$\mathrm{N}-\mathrm{N}$$ single bond is as strong as the $$\mathrm{P}-\mathrm{P}$$ single bond
C
Nitrogen has unique ability to form $$p \pi-p \pi$$ multiple bonds with nitrogen, carbon and oxygen
D
Nitrogen cannot form $$\mathrm{d} \pi-\mathrm{p} \pi$$ bond as other heavier elements of its group
NEET Subjects