1
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
At $T(\mathrm{~K}), K_c$ for the reaction, $A O_2(g)+B \mathrm{O}_2(g) \rightleftharpoons A \mathrm{O}_3(g)+B \mathrm{O}(g)$ is 16 . One mole each of reactants and products are taken in a IL flask and heated to $T(\mathrm{~K})$, and equilibrium is established. What is the equilibrium concentration of $B O$ ( in $\mathrm{mol} \mathrm{L}^{-1}$ )?
A
1.6
B
0.4
C
1.2
D
0.8
2
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following reactions.

$$ \begin{aligned} & \text { I. } \mathrm{H}_2 \mathrm{O}(l)+2 \mathrm{Na}(s) \longrightarrow 2 \mathrm{NaOH}(a q)+\mathrm{H}_2(g) \\\\ & \text { II. } 2 \mathrm{H}_2 \mathrm{O}(l)+2 \mathrm{~F}_2(g) \longrightarrow 4 \mathrm{H}^{+}(a q)+4 \mathrm{~F}^{-}(a q)+\mathrm{O}_2(g) \end{aligned} $$

A
In both reaction I and reaction II, water is oxidised.
B
In both reaction I and reaction II, water is reduced.
C
In reaction I water is reduced and in reaction II water is oxidised.
D
In reaction I water is oxidised and in reaction II water is reduced.
3
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the correct stability order of $\mathrm{KO}_2, \mathrm{RbO}_2, \mathrm{CsO}_2$ ?
A
$\mathrm{KO}_2<\mathrm{CsO}_2<\mathrm{RbO}_2$
B
$\mathrm{CsO}_2<\mathrm{KO}_2<\mathrm{RbO}_2$
C
$\mathrm{CsO}_2<\mathrm{RbO}_2<\mathrm{KO}_2$
D
$\mathrm{KO}_2<\mathrm{RbO}_2<\mathrm{CsO}_2$
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) $\mathrm{MgO}, \mathrm{CaO}, \mathrm{SrO}$ and BaO are insoluble in water.

Reason ( R ) In aqueous medium the basic strength of $\mathrm{MgO}, \mathrm{CaO}, \mathrm{SrO}$ and BaO increases with increase in the atomic number of metal.

The correct option among the following is

A
Both $(A)$ and $(R)$ are correct and $(R)$ is the correct explanation of (A).
B
Both (A) and (R) are correct but ( R ) is not the correct explanation of (A).
C
(A) is correct but ( $R$ ) is not correct.
D
(A) is not correct but (R) is correct.
EXAM MAP