1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

For the given redox reaction, what will be the sum of $x, y, m$ and $n$ ?

$$\begin{aligned} x \mathrm{MnO}_4^{-}+y \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4+z \mathrm{H}^{+} \longrightarrow m \mathrm{Mn}^{2+} + & n \mathrm{CO}_2+p \mathrm{H}_2 \mathrm{O} \end{aligned}$$

A
18
B
15
C
19
D
20
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The bond dissociation energies for $\mathrm{Cl}_2, \mathrm{I}_2$ and ICl are $242.3,151.0$ and $211.3 \mathrm{~kJ} / \mathrm{mol}$ respectively. The enthalpy of sublimation of iodine is $62.8 \mathrm{~kJ} / \mathrm{mol}$. What is the standard enthalpy of formation of $\operatorname{ICl}(\mathrm{g})$ nearly equal to?

A
$-211.3 \mathrm{~kJ} / \mathrm{mol}$
B
$16.8 \mathrm{~kJ} / \mathrm{mol}$
C
$-14.6 \mathrm{~kJ} / \mathrm{mol}$
D
$33.5 \mathrm{~kJ} / \mathrm{mol}$
3
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The boiling points of 0.01 M aqueous solution of sucrose, NaCl and $\mathrm{CaCl}_2$ would be

A
highest for sucrose solution
B
same for all
C
highest for $\mathrm{CaCl}_2$ solution
D
highest for NaCl solution
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Which of the following species has highest nucleophilicity?

A
$\mathrm{F}^{-}$
B
$\mathrm{OH}^{-}$
C
$\mathrm{CH}_3^{-}$
D
$\mathrm{NH}_2^{-}$
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