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Sulphuric Acid

Give balanced...

Question

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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Solution

(i) $2 F_{2} F l o u r i n e + 2 N a O H S o d i u m h y d r o x i d e (c o l d a n d d i l .) ⟶ {O F}_{2} O x y g e n d i f l o u r i d e + 2 N a F S o d i u m f l o u r i d e + H_{2} O W a t e r$
(ii) $K M n O_{4} P o t a s s i u m p e r m a n g a n a t e (V i o l e t) + 5 H_{2} O_{2} H y d r o g e n p e r o x i d e + 3 {H_{2} S O}_{4} S u l p h u r i c a c i d ⟶ 2 M n {S O}_{4} M a n g a n e s e s u l p h a t e (c o l o u r l e s s) + 8 H_{2} O + 5 O_{2} + K_{2} {S O}_{4}$
(iii) $2 H_{2} {S O}_{4} S u l p h u r i c a c i d + H_{2} S H y d r o g e n S u l p h i d e ⟶ 2 H_{2} O W a t e r + {S O}_{2} S u l p h u r d i o x i d e ↑ + H_{2} O S u l p h u r$

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