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

Which of the following has lowest melting point?

A

Si

B

Ge

C

Sn

D

Pb

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

Among the hydrides of group 16 elements, the hydride $X$ has lowest boiling point and the hydride $Y$ has highest boiling point. $X$ and $Y$ respectively are

A

$\mathrm{H}_2 \mathrm{Te}, \mathrm{H}_2 \mathrm{Se}$

B

$\mathrm{H}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{Te}$

C

$\mathrm{H}_2 \mathrm{~S}, \mathrm{H}_2 \mathrm{Te}$

D

$\mathrm{H}_2 \mathrm{~S}, \mathrm{H}_2 \mathrm{O}$

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

Sodium nitrite with hydrochloric acid gives water alongwith two nitrogen oxides. They are

A

$\mathrm{NO}, \mathrm{NO}_2$

B

$\mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_3$

C

$\mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}$

D

$\mathrm{NO}, \mathrm{N}_2 \mathrm{O}_5$

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

Identify the incorrect statement about the interhalogen compounds.

A

ICl is more reactive than $\mathrm{I}_2$.

B

They are diamagnetic in nature.

C

The products of ICl and water are $\mathrm{HI}+\mathrm{HOCl}$.

D

They act as fluorinating agents.

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