1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The number of lone pairs of electrons on the central atom of $\mathrm{XeO}_3, \mathrm{XeOF}_4$ and $\mathrm{XeF}_6$ respectively is

A

1, 1, 1

B

$3,2,1$

C

2, 1, 0

D

$1,2,1$

2
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not correct?

A

$\mathrm{TeO}_2$ is an oxidising agent

B

$\mathrm{SeO}_3$ is acidic in nature

C

$\mathrm{SeO}_2$ is a gas

D

$\mathrm{SO}_2$ is reducing agent

3
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The pair of ions with paramagnetic nature and same number of electrons is

A

$\mathrm{Lu}^{3+}, \mathrm{Yb}^{2+}$

B

$\mathrm{Eu}^{3+}, \mathrm{Pm}^{2+}$

C

$\mathrm{Eu}^{2+}, \mathrm{Gd}^{3+}$

D

$\mathrm{La}^{3+}, \mathrm{Ce}^{4+}$

4
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Observe the following complex ions } $$

$$ \begin{array}{cccc} \hline\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-} & {\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}} & {\left[\mathrm{CoF}_6\right]^{3-}} & {\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}} \\ \hline A & B & C & D \\ \hline \end{array} $$

Identify the option in which the unpaired electrons in the complex ions are in correct increasing order

A

$C, A, B, D$

B

$B, A, C, D$

C

$D, A, B, C$

D

$D, B, A, C$

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