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Copper II Sulphate

Bromine is fo...

Question

Bromine is formed when concentrated $H B r$ is heated with ?

K M n O_{4}

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K_{2} {C r}_{2} O_{7}

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M n O_{2}

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A l l o f t h e s e

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Solution

The correct option is C $K M n O_{4}$
When concentrated $H B r$ is heated with $K M n O_{4}$ then bromine is liberated.The reaction involved is $2 K M n O_{4} + 16 H B r ⟶ 2 M n B r_{2} = 2 K B r + 8 H_{2} O + 5 B r_{2}$

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Similar questions

H C l

K_{2} {C r}_{2} O_{7} + H C l ⟶ K C l + . . . . + . . . . . . + H_{2} O

K_{2} {C r}_{2} O_{7} + K I + H_{2} {S O}_{4} \to K_{2} {S O}_{4} + {C r}_{2} {({S O}_{4})}_{3} + I_{2} + H_{2} O

K M n O_{4} + {N a}_{2} {S O}_{3} \to M n O_{2} + {N a}_{2} {S O}_{4} + K O H

C u + H {N O}_{3} \to C u {({N O}_{3})}_{2} + {N O}_{2} + H_{2} O

K M {n O}_{4} + H_{2} C_{2} O_{4} + H_{2} {S O}_{4} \to K_{2} {S O}_{4} + {M n S O}_{4} + {C O}_{2} + H_{2} O

N a C l

K_{2} {C r}_{2} O_{7}

H_{2} {S O}_{4}

{S O}_{2}

K_{2} {C r}_{2} O_{7}

C r

K_{2} {C r}_{2} O_{7}

K_{2} {C r}_{2} O_{7} = 294.0 g

m o l

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