1.

A mixture having 0.5 mole KMnO_(4)and 0.5 mole K_(2)Cr_(2)O_(7)(in acidic medium) was completely reduced by 0.5 moles of a reducing agent (M^(@) = 132). Then equivalent mass of the reducing agent is :

Answer»

`13.20`
`16.50`
`11.45`
`12.00`

Solution :`Sigmax_(O.A) = Sigmax_(R.A)`
`5N + 6n = N (n_(f)) therefore n_(f)= 11 RARR E^(@) = (M^(@))/(n_(f)) = (132)/(11)=12`


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