MHT-CET

p Block Elements (Group 1 question bank (Chemistry)

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Q1.

Which of the following oxyacid of sulphur contains $\mathrm{S}=\mathrm{S}$ linkage?

(A)

$\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{4}$

(B)

$\mathrm{H}_{2} \mathrm{SO}_{3}$

(C)

$\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{5}$

(D)

$\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{2}$

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Q2.

A certain reaction occurs in two steps as:

(i) $2 S O_{2} (g) + 2 N O_{2} (g) \to 2 S O_{3} (g) + 2 N O (g)$

(ii) $2 N O_{} (g) + O_{2} (g) \to 2 N O_{2} (g)$

In the reaction,

(A)

N O_{2} (g)

is intermediate

(B)

N O_{} (g)

is intermediate

(C)

N O_{} (g)

is catalyst

(D)

O_{2} (g)

is intermediate

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