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Zero Order Reaction

On strong hea...

Question

On strong heating, which of the following produces a mixture of $S O_{2}$ and $S O_{3}$ ?

A

F e_{2} (S O_{4})_{3} .9 H_{2} O

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B

(N H_{4})_{2} S O_{4} . F e_{2} (S O_{4})_{3} .24 H_{2} O

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C

F e S O_{4} .7 H_{2} O

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D

F e S_{2}

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Solution

The correct option is C $F e S O_{4} .7 H_{2} O$
Reaction of thermal decomposition-
$F e S O_{4} .7 H_{2} O h e a t - - \to F e S O_{4} + 7 H_{2} O \to F e_{2} O_{3} + S O_{2} + S O_{3}$

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