JEE Main 2023 (Online) 11th April Evening Shift | Coordination Compounds Question 56 | Chemistry

If $$\mathrm{Ni}^{2+}$$ is replaced by $$\mathrm{Pt}^{2+}$$ in the complex $$\left[\mathrm{NiCl}_{2} \mathrm{Br}_{2}\right]^{2-}$$, which of the following properties are expected to get changed ?

A. Geometry

B. Geometrical isomerism

C. Optical isomerism

D. Magnetic properties

A and D

A, B and D

A, B and C

B and C

JEE Main 2023 (Online) 11th April Evening Shift

MCQ (Single Correct Answer)

-1

Match List I with List II

	LIST I Complex		LIST II Colour
A.	$$Mg(N{H_4})P{O_4}$$	I.	brown
B.	$${K_3}[Co{(N{O_2})_6}]$$	II.	white
C.	$$MnO{(OH)_2}$$	III.	yellow
D.	$$F{e_4}{[Fe{(CN)_6}]_3}$$	IV.	blue

Choose the correct answer from the options given below :

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

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

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

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

JEE Main 2023 (Online) 11th April Evening Shift

MCQ (Single Correct Answer)

-1

The magnetic moment is measured in Bohr Magneton (BM).

Spin only magnetic moment of $$\mathrm{Fe}$$ in $$\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$$ and $$\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$$ complexes respectively is :

3.87 B.M. and 1.732 B.M.

5.92 B.M. and 1.732 B.M.

6.92 B.M. in both

4.89 B.M. and 6.92 B.M.

JEE Main 2023 (Online) 11th April Morning Shift

MCQ (Single Correct Answer)

-1

The complex that dissolves in water is :

$$\mathrm{Fe}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]_{3}$$

$$\left(\mathrm{NH}_{4}\right)_{3}\left[\mathrm{As}\left(\mathrm{Mo}_{3} \mathrm{O}_{10}\right)_{4}\right]$$

$$\mathrm{K}_{3}\left[\mathrm{Co}\left(\mathrm{NO}_{2}\right)_{6}\right]$$

$$\left[\mathrm{Fe}_{3}(\mathrm{OH})_{2}(\mathrm{OAc})_{6}\right] \mathrm{Cl}$$