1
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The amount of $50 \%(w / w)$ solution of hydrochloric acid required to react with 200 g of $\mathrm{CaCO}_3$ would be

A

73 g

B

292 g

C

146 g

D

100 g

2
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the pair of reactions undergoing disproportionation from the following.

A

$$ \begin{aligned} & 2 \mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2 \text { and } \\ & \mathrm{Cl}_2+2 \mathrm{NaOH} \longrightarrow \mathrm{NaCl}+\mathrm{NaOCl}+\mathrm{H}_2 \mathrm{O} \end{aligned} $$

B

$$ \begin{aligned} & \mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{PH}_3+3 \mathrm{NaH}_2 \mathrm{PO}_4 \\ & \text { and } \mathrm{Cl}_2+2 \mathrm{Na} \longrightarrow 2 \mathrm{NaCl} \end{aligned} $$

C

$$ \begin{aligned} & \mathrm{Cl}_2+2 \mathrm{KBr} \longrightarrow 2 \mathrm{KCl}+\mathrm{Br}_2 \text { and } \\ & 5 \mathrm{Cl}_2+\mathrm{I}_2+6 \mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{IO}_3^{-}+10 \mathrm{Cl}^{-}+2 \mathrm{H}^{+} \end{aligned} $$

D

$$ \begin{aligned} & \mathrm{Pb}_3 \mathrm{O}_4+8 \mathrm{HCl} \longrightarrow 3 \mathrm{PbCl}_2+\mathrm{Cl}_2+\mathrm{H}_2 \mathrm{O} \text { and } \\ & \mathrm{P}_4+3 \mathrm{NaOH} \longrightarrow 3 \mathrm{H}_2 \mathrm{O}+\mathrm{PH}_3+3 \mathrm{NaH}_2 \mathrm{PO}_4 \end{aligned} $$

3
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If 92 g Na reacts with water in open vessel at 300 K . What is the value of work done?

[Assume ideal nature of the gaseous product.]

A

0.0

B

-4988.4 J

C

-2494.2 J

D

-9976.8 J

4
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0
For a reaction, $A(s) \rightleftharpoons B(s)+C(g)$ the set of all correct statements are (A) $K$ is independent of $[A]$. (B) $K$ is dependent on partial pressure of $C$ at a given temperature. (C) $\Delta H$ will be independent of temperature. (D) $\Delta H$ is independent of the catalyst addition.
A

$A, B, C, D$

B

A, B only

C

A, B, D only

D

A, B, C only

TS EAMCET Papers

All year-wise previous year question papers