1
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

Column -I
(Reaction)
Column - II (Colour of the product or nature)
(A) $\mathrm{FeCl}_3(\mathrm{aq})+\mathrm{NH}_3(\mathrm{aq}) \longrightarrow$ (l) Green ppt.
(B) $\mathrm{AgCl}(\mathrm{aq})+\mathrm{NH}_3(\mathrm{aq}) \longrightarrow$ (II) Deep blue
(C) $\mathrm{Cu}^{2+}(\mathrm{aq})+\mathrm{NH}_3(\mathrm{aq}) \longrightarrow$ (III) Brown ppt.
(IV) Colourless

$$ \text { The correct match } $$

A
A B C
I II III
B
A B C
I III IV
C
A B C
III IV II
D
A B C
III I IV
2
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the following, the oxoacid with a peroxy bond is

A

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_5$

B

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_6$

C

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7$

D

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8$

3
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Chlorine is allowed to react with excess of ammonia. In this, 1 mole of chlorine can oxidise ' $Z$ ' moles of $\mathrm{NH}_3$. ' $Z$ ' is

A

$3 / 8$

B

$8 / 3$

C

$2 / 3$

D

$3 / 2$

4
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of enthalpy of vaporisation of noble gases is

A

$\mathrm{Xe}>\mathrm{Kr}>\mathrm{Ar}>\mathrm{Ne}>\mathrm{He}$

B

$\mathrm{He}>\mathrm{Ne}>\mathrm{Kr}>\mathrm{Ar}>\mathrm{Xe}$

C

$\mathrm{Xe}>\mathrm{Ar}>\mathrm{He}>\mathrm{Ne}>\mathrm{Kr}$

D

$\mathrm{Ne}>\mathrm{Xe}>\mathrm{Kr}>\mathrm{He}>\mathrm{Ar}$

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