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Standard XII

Chemistry

Contact Process

As per the fo...

Question

As per the following equation:
$S F_{4} + 3 H_{2} O \to H_{2} S O_{3} + 4 H F$
$12$ g of $S F_{4}$ is allowed to react with water, which of the following statement is correct?

6

g of water is used.

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8.9

g of

H F

is formed.

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0.111

mol of

H_{2} S O_{3}

is formed.

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All the above.

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Solution

The correct option is C All the above.
$\frac{12}{108}$ moles of sulfur tetra-fluoride is used, therefore, $6$ grams of water is used.
For one mole of sulfur tetra-fluoride, four moles of hydrogen fluoride is formed. Thus, $8.8888$ g of hydrogen fluoride is formed.
For one mole of sulfur tetra-fluoride, one mole of sulfurous acid is formed. Thus, $0.1111$ moles are formed.

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Similar questions

N a C l O

solution reacts with

H_{2} S O_{3}

, as

N a C l O + H_{2} S O_{3} \to N a C l + H_{2} S O_{4}

. A solution of

N a C

l used in the above reaction contained

15 g

N a C l O

per litre. The normality of the solution would be

Q. 2 g

H_{2}

and 1 g

O_{2}

are allowed to react according to following equation:

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)

Amount of

H_{2} O

formed in the reaction will be:

Q. Which of the following statement(s) is/are incorrect when 0.15 mol of

F e

is allowed to react with

4.8 g

O_{2}

?
(Molar mass of

F e = 56 g/mol

)

4 F e (s) + 3 O_{2} (g) \to 2 F e_{2} O_{3} (s)

Q. Aluminium carbide reacts with water according to the following equation.

A l_{4} C_{3} + 12 H_{2} O \to 4 A l (O H)_{3} + 3 C H_{4}

(i) What mass of aluminium hydroxide is formed from

12

g of aluminium carbide?
(ii) What volume of methane at s.t.p. is obtained from

12

g of aluminium carbide?

Q. (i)

4 L i + O_{2} \to 2 L i_{2} O

21.0

g of lithium reacts with

32.0

g of

O_{2}

(ii)

2 K + C l_{2} \to 2 K C l

3.9

g of

K

reacts with

4.26

g of

C l_{2}

.
[The atomic weight of

L i = 7

g and

K = 39

g while molecular weight of

L i_{2} O = 30

g/mol and

K C l = 74.5

g/mol.]

Which of the following statements is/are correct?

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As per the following equation: SF4+3H2O→H2SO3+4HF12 g of SF4 is allowed to react with water, which of the following statement is correct?

As per the following equation:
$S F_{4} + 3 H_{2} O \to H_{2} S O_{3} + 4 H F$
$12$ g of $S F_{4}$ is allowed to react with water, which of the following statement is correct?