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When K2 Cr2 O7 crystals are heated with ...

When `K_2 Cr_2 O_7` crystals are heated with conc. HCl, the gas evolved is

A

`O_(2)`

B

`Cl_(2)`

C

`CrO_(2)Cl_(2)`

D

HCl

Text Solution

Verified by Experts

`K_(2)Cr_(2)+8HCl to `
`{:(" "2KCl+2CrCl_(3)+4H_(2)O +3[O]),(" "2HCl+[O] to H_(2)O +Cl_(2)"]"xx3),(ulbar({:(""K_(2)Cr_(2)O_(7)+14HCl to ),(" "2KCl +2CrCl_(3)+7H_(2)O +3Cl_(2)):})):}`
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DINESH PUBLICATION-PRINCIPLES RELATED TO PRACTICAL CHEMISTRY-RQ
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  4. Which is most soluble in water?

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