1
KCET 2024
MCQ (Single Correct Answer)
+1
-0

On treating 100 mL of 0.1 M aqueous solution of the complex $\mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}$ with excess of $\mathrm{AgNO}_3, 2.86 \mathrm{~g}$ of AgCl was obtained. The complex is

A
$\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right] \cdot 3 \mathrm{H}_2 \mathrm{O}$
B
$\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}$
C
$\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}^2 \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\right.$
D
$\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3\right]$
2
KCET 2024
MCQ (Single Correct Answer)
+1
-0

The complex compounds $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{SO}_4\right] \mathrm{Br}$ and $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Br}\right] \mathrm{SO}_4$ are

A
coordination isomers
B
geometrical isomers
C
optical isomers
D
ionisation isomers
3
KCET 2024
MCQ (Single Correct Answer)
+1
-0

Which of the following statements are true about $\left[\mathrm{CoF}_6\right]^{3-}$ ion ?

I. The complex has octahedral geometry.

II. Coordination number of Co is 3 and oxidation state is +6 .

III. The complex is $s p^3 d^2$ hybridised.

IV. It is a high spin complex.

A
I, II and IV
B
I, III and IV
C
II and IV
D
II, III and IV
4
KCET 2024
MCQ (Single Correct Answer)
+1
-0

A haloalkane undergoes $\mathrm{S}_{\mathrm{N}} 2$ or $\mathrm{S}_{\mathrm{N}} 1$ reaction depending on

A
solvent used in the reaction
B
low temperature
C
the type of halogen atom
D
stability of the haloalkane
EXAM MAP