Iodine is formed when KI reacts with a solution of :
ZnSO4
CuSO4
FeSO4
(NH4)2SO4
A
CuSO4
B
FeSO4
C
(NH4)2SO4
D
ZnSO4
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Solution
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Iodine is formed when KI reacts with a solution of CuSO4 CuSO4+2KI→CuI2+K2SO4 2CuI2→Cu2I2+I2 Hence option B is correct.
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