1
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find out the correct hybridisation of the central atom in $\mathrm{BCl}_3, \mathrm{PCl}_5, \mathrm{NH}_3$ and $\mathrm{SF}_6$.

A

$\left(\mathrm{BCl}_3: s p^3\right) ;\left(\mathrm{PCl}_5: s p^3 d^2\right) ;\left(\mathrm{NH}_3: s p^2\right)$ and $\left(\mathrm{SF}_6: s p^3 d\right)$

B

$\left(\mathrm{BCl}_3: s p^2\right) ;\left(\mathrm{PCl}_5: s p^3 d\right) ;\left(\mathrm{NH}_3: s p^3\right)$ and $\left(\mathrm{SF}_6: s p^3 d^2\right)$

C

$\left(\mathrm{BCl}_3: s p^2\right) ;\left(\mathrm{PCl}_5: s p^3 d^2\right) ;\left(\mathrm{NH}_3: s p^3\right)$ and $\left(\mathrm{SF}_6: s p^3 d\right)$

D

$\left(\mathrm{BCl}_3: s p^3\right) ;\left(\mathrm{PCl}_5: s p^3 d\right) ;\left(\mathrm{NH}_3: s p^2\right)$ and $\left(\mathrm{SF}_6: s p^3 d^2\right)$

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

Let's assume the $\mathrm{C}_1 \equiv \mathrm{C}_2$ bond is acetylene is along $Z$-axis. Find out the correct combination of atomic orbitals with non-zero overlapping.

A

$2 p_x$ of $\mathrm{C}_1$ and $2 p_y$ of $\mathrm{C}_2$

B

$2 p_z$ of $\mathrm{C}_1$ and $2 p_y$ of $\mathrm{C}_2$

C

$2 p_x$ of $C_1$ and 2 s of $C_2$

D

$2 p_z$ of $C_1$ and $2 p_z$ of $C_2$

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

Which of the following molecules is not paramagnetic in nature?

A

$\mathrm{O}_2$

B

$\mathrm{O}_2^{+}$

C

$\mathrm{O}_2^{-}$

D

$\mathrm{O}_2^{2-}$

4
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following : } $$

List-I List-II
A.
<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">BF</mi>

</mrow>

<mn>3</mn>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">BF</mi>

</mrow>

<mn>3</mn>

BF_(3)
I. Tetrahedral
B.
<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">ClF</mi>

</mrow>

<mn>3</mn>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">ClF</mi>

</mrow>

<mn>3</mn>

ClF_(3)
II. Trigonal planar
C.
<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">NH</mi>

</mrow>

<mn>3</mn>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">NH</mi>

</mrow>

<mn>3</mn>

NH_(3)
III. T-shape
D.
<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">NH</mi>

</mrow>

<mn>4</mn>

<mrow data-mjx-texclass="ORD">

  <mo>+</mo>

</mrow>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">NH</mi>

</mrow>

<mn>4</mn>

<mrow data-mjx-texclass="ORD">

  <mo>+</mo>

</mrow>

NH_(4)^(+)
IV. Trigonal pyramidal

$$ \text { The correct match is } $$

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

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