1
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

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

2
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.

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

Aluminium reacts with dilute HCl and liberates a gas ' $A$ ' and with aqueous alkali liberates a gas ' $B$ '. $A$ and $B$ respectively are

A

$\mathrm{Cl}_2, \mathrm{O}_2$

B

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

C

$\mathrm{Cl}_2, \mathrm{H}_2$

D

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

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

Identify the incorrect statement about the oxidation states of group 14 elements.

A

Carbon and silicon mostly exhibit +4 oxidation state.

B

Tin in +2 oxidation state is a reducing agent.

C

Lead in +2 oxidation state is a reducing agent

D

The order of stability of +2 oxidation state follow the se.quence $\mathrm{Ge}<\mathrm{Sn}<\mathrm{Pb}$.

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