Q. The unbalanced chemical reactions given in List - I show missing reagent or condition (?) which are provided in List - II. Match List - I with List - II and select the correct answer using the code given below the lists:

\begin{matrix} L i s t - I & L i s t - I I (P) P b O_{2} + H_{2} S O_{4} ? \to & (1) N O P b S O_{4} + O_{2} + o t h e r p r o d u c t (Q) N a_{2} S_{2} O_{3} + H_{2} O ? \to & (2) I_{2} N a H S O_{4} + o t h e r p r o d u c t (R) N_{2} H_{4} ? \to & (3) W a r m N_{2} + o t h e r p r o d u c t (S) X e F_{2} ? \to X e & (4) C l_{2} + o t h e r p r o d u c t \end{matrix}

P:4, Q:2, R:3, S:1
P:3, Q:2, R:1, S:4
P:1, Q:4, R:2, S:3
P:3, Q:4, R:2, S:1

Q.

Sulphur trioxide gas is an important precursor to manufacture sulphuric acid. It is produced by the catalytic oxidation of $S O_{2}$ gas. In the contact process, once we obtain $S O_{3} (g)$ , Sulphuric acid is obtained by the hydrolysis of $S O_{3} (g)$ . True or False?

True
False

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Q.

Sulphur trioxide gas is an important precursor to manufacture sulphuric acid. It is produced by the catalytic oxidation of $S O_{2}$ gas. In the contact process, once we obtain $S O_{3} (g)$ , Sulphuric acid is obtained by the hydrolysis of $S O_{3} (g)$ . True or False?

True
False

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Q. The unbalanced chemical reactions given in List - I show missing reagent or condition (?) which are provided in List - II. Match List - I with List - II and select the correct answer using the code given below the lists:

\begin{matrix} L i s t - I & L i s t - I I (P) P b O_{2} + H_{2} S O_{4} ? \to & (1) N O P b S O_{4} + O_{2} + o t h e r p r o d u c t (Q) N a_{2} S_{2} O_{3} + H_{2} O ? \to & (2) I_{2} N a H S O_{4} + o t h e r p r o d u c t (R) N_{2} H_{4} ? \to & (3) W a r m N_{2} + o t h e r p r o d u c t (S) X e F_{2} ? \to X e & (4) C l_{2} + o t h e r p r o d u c t \end{matrix}

P:4, Q:2, R:3, S:1
P:3, Q:2, R:1, S:4
P:3, Q:4, R:2, S:1
P:1, Q:4, R:2, S:3

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Q.

Sulphur trioxide gas is an important precursor to manufacture sulphuric acid. It is produced by the catalytic oxidation of $S O_{2}$ gas. In the contact process, once we obtain $S O_{3} (g)$ , Sulphuric acid is obtained by the hydrolysis of $S O_{3} (g)$ . True or False?

True
False

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Q. The unbalanced chemical reactions given in List - I show missing reagent or condition (?) which are provided in List - II. Match List - I with List - II and select the correct answer using the code given below the lists:

\begin{matrix} L i s t - I & L i s t - I I (P) P b O_{2} + H_{2} S O_{4} ? \to & (1) N O P b S O_{4} + O_{2} + o t h e r p r o d u c t (Q) N a_{2} S_{2} O_{3} + H_{2} O ? \to & (2) I_{2} N a H S O_{4} + o t h e r p r o d u c t (R) N_{2} H_{4} ? \to & (3) W a r m N_{2} + o t h e r p r o d u c t (S) X e F_{2} ? \to X e & (4) C l_{2} + o t h e r p r o d u c t \end{matrix}

P:4, Q:2, R:3, S:1
P:3, Q:2, R:1, S:4
P:1, Q:4, R:2, S:3
P:3, Q:4, R:2, S:1

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Q. Answer of following question given that A is sulphuric acid.

In which of the following compounds, the

S

-atom is

s p^{2}

hybridised:

E
None of these
D
C

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Q. Give balanced chemical equations for the following reactions:
(i) Fluorine is passed through cold, dilute

N a O H

solution.
(ii) Hydrogen peroxide is treated with acidified

K M n O_{4}

solution.
(iii) Sulphuric acid is treated with hydrogen sulphide.

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Q. When copper reacts with conc.

H_{2} S O_{4}

, the oxidation state of sulphur is not changed.
If true enter 1, else enter 0.

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Q. The action of concentrated sulphuric acid on urea

(N H_{2} C O N H_{2})

results in the production of a white crystalline solid

X

of formula

H_{3} N O_{3} S

. This is a monobasic acid. On treatment with sodium nitrate and dilute hydrochloride acid at

0^{o} C

, it liberates 1 mole of

N_{2}

per mol of

X

and on addition of aqueous barium chloride, the resulting solution yields 1 mole of

B a S O_{4}

per mole of

X

taken.
Deduce the structure of

X

.

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Sulphuric Acid

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