1.

aK_(2)Cr_(2)O_(7) + bKCl+cH_(2)SO_(4)toxCrO_(2)Cl_(2)+yKHSO_(4)+zH_(2) The above equation balances when

Answer»

`a=2, b=4, c=6` and `x=2, y=6, z=3`
`a=4, b=2, c=6` and `x=6, y=2, z=2`
`a=6, b=4, c=2` and `x=2, y=3, z=2`
`a=1, b=4, c=6` and `x=2, y=6, z=3`

SOLUTION :`(({:(KCl+H_(2)SO_(4)toKHSO_(4)+HClxx6),(K_(2)Cr_(2)O_(7)+6HCL to 2Cr_(2)O_(2)Cl_(2)+2KCl+3H_(2)O):})/(4KCl+6H_(2)SO_(4)+K_(2)Cr_(2)O_(7)to6KHSO_(4)+2CrO_(2)Cl_(2)+3H_(2)O))/`
c.f. `aK_(2)Cr_(2)O_(7)+bKCl+cH_(2)SO_(4)toCrO_(2)Cl_(2)+yKHSO_(4)+zH_(2)O`


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