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Cl2 gas is obtained by various reactions...

`Cl_2` gas is obtained by various reactions select the reactions from the following (s):

A

`KMnO_(4)(s)+Conc Hcl undersetto(Delta)`

B

`KCl(s)+K_(2)CR_(2)O_(7)(s)+Conc H_(2)SO_(4)undersetto(Delta)`

C

`MnO_(2)(s)+Conc Hclundersetto(Delta)`

D

`Kcl(s)+f_(2)(l) to`

Text Solution

Verified by Experts

The correct Answer is:
B
(A) `2MnO_(4)^(-)+16H^(+)+10Cl^(-) to 2Mn^(2+)+8H_(2)O+5Cl_(2)`
(B ) Chromyl chloride test,`Cr_(2)O_(7)^(2-)+4Cl^(-)+6H^(+) to 2CrO_(2)uparrow("deep red")+3H_(2)O`.
(C ) `MnO_(2)+4HCl to MnCl_(2)+Cl_(2)+2H_(2)O`
(D ) `2Cl^(-) +Fe to Cl_(2)+2F^(-)`
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