1
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In two separate experiments, the same quantity of electricity was passed through silver and gold solutions. [Assume ' $l$ ' constant]. The amounts of Ag and Au deposited are 2.15 and 1.31 g , respectively. The valency of gold is

[atomic mass of $\mathrm{Ag}=107.9$; $\mathrm{Au}=197$ ]

A

1

B

2

C

3

D

4

2
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is a zero order reaction?

A

$2 \mathrm{HI} \longrightarrow \mathrm{H}_2+\mathrm{I}_2$

B

$\mathrm{H}_2+\mathrm{Br}_2 \xrightarrow[\Delta]{ } 2 \mathrm{HBr}$

C

$2 \mathrm{~N}_2 \mathrm{O}_5 \longrightarrow 4 \mathrm{NO}_2+\mathrm{O}_2$

D

$\mathrm{H}_2+\mathrm{Cl}_2 \xrightarrow{h \nu} 2 \mathrm{HCl}$

3
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The coagulation of 200 mL of a positive colloid took place when 0.73 g of HCl was added to it without changing the volume much. The flocculation value of HCl for the colloid is

A

1000

B

0.365

C

200

D

100

4
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The oxoacid of phosphorus which contains $4 \mathrm{P}-\mathrm{O}-\mathrm{H}, 2 \mathrm{P}=\mathrm{O}$ and one $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bond is

A

orthophosphoric acid

B

metaphosphoric acid

C

pyrophosphoric acid

D

hypophosphoric acid

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