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Among the followinfg reactions of hydrogen with halogens, the one that requires a catalyst is

:

  • Option 1)

    H_{2}+Br_{2}\rightarrow 2HBr

  • Option 2)

    H_{2}+Cl_{2}\rightarrow 2HCl

  • Option 3)

    H_{2}+I_{2}\rightarrow 2HI

  • Option 4)

    H_{2}+F_{2}\rightarrow 2HF

Answers (1)

best_answer

 

Chemical Properties -

Reaction with Unsaturated hydrocarbons.

Hydrogenation in presence of catalyst Ni/Pt/Pd

- wherein

 

As we have learned in Halogens .

H_{2} + I_{2} \rightarrow 2HI

requires a catalyst to occur  when

 


Option 1)

H_{2}+Br_{2}\rightarrow 2HBr

Option 2)

H_{2}+Cl_{2}\rightarrow 2HCl

Option 3)

H_{2}+I_{2}\rightarrow 2HI

Option 4)

H_{2}+F_{2}\rightarrow 2HF

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