1
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following, molecules are arranged in the increasing order of their bond angles?

A

$\mathrm{NH}_3<\mathrm{SO}_2<\mathrm{H}_2 \mathrm{O}$

B

$\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3<\mathrm{SO}_2$

C

$\mathrm{SO}_2<\mathrm{NH}_3<\mathrm{H}_2 \mathrm{O}$

D

$\mathrm{SO}_2<\mathrm{H}_2 \mathrm{O}<\mathrm{NH}_3$

2
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the molecules $\mathrm{B}_2, \mathrm{He}_2, \mathrm{~N}_2$ and $\mathrm{C}_2$ in the increasing order of their bond order values.

A

$\mathrm{C}_2<\mathrm{He}_2<\mathrm{B}_2<\mathrm{N}_2$

B

$\mathrm{N}_2<\mathrm{B}_2<\mathrm{C}_2<\mathrm{He}_2$

C

$\mathrm{He}_2<\mathrm{B}_2<\mathrm{C}_2<\mathrm{N}_2$

D

$\mathrm{He}_2<\mathrm{C}_2<\mathrm{N}_2<\mathrm{B}_2$

3
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

According to molecular orbital theory, the molecule which contains only $\pi$-bonds between the atoms is

A

$\mathrm{C}_2$

B

$\mathrm{N}_2$

C

$\mathrm{O}_2$

D

$\mathrm{B}_2$

4
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following changes there is no change in hybridisation of the central atom?

A

$\mathrm{C}_2 \mathrm{H}_4 \xrightarrow{\mathrm{H}_2 / \mathrm{Ni}} \mathrm{C}_2 \mathrm{H}_6$

B

$\mathrm{PCl}_5+\mathrm{Cl}^{-} \longrightarrow \mathrm{PCl}_6^{-}$

C

$\mathrm{BF}_3+\mathrm{F}^{-} \longrightarrow \mathrm{BF}_4^{-}$

D

$\mathrm{NH}_3+\mathrm{H}^{+} \longrightarrow \mathrm{NH}_4^{+}$

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