CBSE 12th Chemistry Delhi Set 1 - 2023

MCQ (Single Correct Answer)

-0

In the two tetrahedral structures of dichromate ion

$$4 \mathrm{Cr}-\mathrm{O}$$ bonds are equivalent in length.

$$6 \mathrm{Cr}-\mathrm{O}$$ bonds are equivalent in length.

All $$\mathrm{Cr}-\mathrm{O}$$ bonds are equivalent in length.

All $$\mathrm{Cr}-\mathrm{O}$$ bonds are non-equivalent.

CBSE 12th Chemistry Delhi Set 1 - 2023

MCQ (Single Correct Answer)

-0

The magnetic moment of $$\left[\mathrm{NiCl}_4\right]^{2-}$$

[Atomic number : $$\mathrm{Ni}=28$$ ]

$$1.82 \mathrm{~BM}$$

$$2.82 \mathrm{~BM}$$

$$4.42 \mathrm{~BM}$$

$$5.46 \mathrm{~BM}$$

CBSE 12th Chemistry Delhi Set 1 - 2023

MCQ (Single Correct Answer)

-0

Assertion (A): Trans $$\left[\mathrm{Cr} \mathrm{Cl}_2(\mathrm{ox})_2\right]^{3-}$$ shows optical isomerism.

Reason (R): Optical isomerism is common in octahedral complexes involving bidentate ligands.

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).

Both Assertion (A) and Reason (R) and true, but Reason (R) is not the correct explanation of the Assertion (A).

Assertion (A) is true, but Reason (R) is false.

Assertion (A) is false, but Reason (R) is true.

Class 12 Subjects

Physics

Electromagnetism

Optics

Modern Physics

Chemistry

Physical Chemistry

Inorganic Chemistry

Organic Chemistry

Mathematics

Relations and Functions

Calculus

Algebra