1
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct match for complex with its magnetic behaviour in the following is

A

$\left[\mathrm{Zn}\left(\mathrm{OH}_2\right)_6\right]^{2+}$; paramagnetic

B

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$; diamagnetic

C

$\left[\mathrm{CoF}_6\right]^{3-}$; diamagnetic

D

$\left[\mathrm{V}\left(\mathrm{OH}_2\right)_6\right]^{2+}$; diamagnetic

2
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

$A^{2+}, B^{2+}$ and $C^{-}$form an ionic complex like $A_{x-2}\left[B(C)_x\right]_2$. If the complex is $75 \%$ dissociated in a solvent with $i=4$, the coordination number of $B$ is

A

3

B

4

C

5

D

6

3
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules is colourless?

A

$\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ (crystal)

B

$\mathrm{CuSO}_4$ (anhydrous)

C

$\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}(\mathrm{aq})$

D

$\left[\mathrm{CuCl}_4\right]^{2-}(a q)$

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