NEET 2023 | Coordination Compounds Question 4 | Chemistry

NEET 2023

MCQ (Single Correct Answer)

-1

Homoleptic complex from the following complexes is :

Diamminechloridonitrito-N-platinum (II)

Pentaamminecarbonatocobalt (III) chloride

Triamminetriaquachromium (III) chloride

Potassium trioxalatoaluminate (III)

NEET 2023

MCQ (Single Correct Answer)

-1

Which complex compound is most stable?

$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3}\left(\mathrm{NO}_{3}\right)_{3}\right]$$

$$\left[\mathrm{CoCl}_{2}(\mathrm{en})_{2}\right] \mathrm{NO}_{3}$$

$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]_{2}\left(\mathrm{SO}_{4}\right)_{3}$$

$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\left(\mathrm{H}_{2} \mathrm{O}\right) \mathrm{Br}\right]\left(\mathrm{NO}_{3}\right)_{2}$$

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Match List-I with List-II :

Choose the correct answer from the options given below :

(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : The metal carbon bond in metal carbonyls possesses both $$\sigma$$ and $$\pi$$ character.

Reason (R) : The ligand to metal bond is a $$\pi$$ bond and metal to ligand bond is a $$\sigma$$ bond.

In the light of the above statements, choose the most appropriate answer from the options given below.

(A) is not correct but (R) is correct

Both (A) and (R) are correct and (R) is the correct explanation of (A)

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

(A) is correct but (R) is not correct

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