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Question

Cl2 gas is obtained by various reaction but not by -

A
KMnO4+Conc.HClΔ
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B
KCl+K2Cr2O7+Conc.H2SO4Δ
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C
MnO2+Conc.HClΔ
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D
KCl+F2
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Solution

The correct option is B KCl+K2Cr2O7+Conc.H2SO4Δ
The reactions (a) , (c) and (d) give Cl2 as the product whereas the reaction (b) gives chromyl chloride as the product
KCl+K2Cr2O7+Conc.H2SO4ΔCrO2Cl2+K2SO4+H2O

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