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Balance the following equation by oxidat...

Balance the following equation by oxidation number method. K 2 ​ Cr 2 ​ O 7 ​ +HCl→KCl+CrCl 3 ​ +H 2 ​ O+Cl 2 ​ .

A

`K_(2)Cr_(2)O_(7)+8HCl to2CrCl_(3)+2Cl_(2)+2KCl+4H_(2)O`

B

`2K_(2)Cr_(2)O_(7)+28HCl to4CrCl_(3)+4Cl_(2)+4KCl+14H_(2)O`

C

`K_(2)Cr_(2)O_(7)+10HCl to2CrCl_(3)+2Cl_(2)+2KCl+5H_(2)O+2(O)`

D

`K_(2)Cr_(2)O_(7)_14HCl to 2CrCl_(3)+3Cl_(2)+2KCl+7H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
D
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