Which reaction is not valid ?
Which reaction is not valid ?
A. `HCl +F_(2) to HF+Cl_(2)`
B. `HF+Cl_(2) to F_(2)+HCl`
C. `ZN+HCl to ZnCl_(2)+H_(2)`
D. `Al+HCl to AlCl_(3)+H_(2)`
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Correct Answer - B
Fluorine is more electronegative than chlorine hence, it can displace Cl from Cl from HCl while chlorine cannot displace fluroine from HF. Therefore the following reaction is not valid.
`HF+Cl_(2) to F_(2)+HCl`
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