1.

2 moles of N_(2)H_(4) loses 16 moles of electrons is being converted to a new compound x. Assuming that all of the N appears in the new compound, what is the oxidation state of N in x?

Answer»

`-1`
`-2`
`+2`
`+4`

SOLUTION :`2N_(2)H_(4)rarrX+16e^(-)`
`1N_(2)H_(4)rarr8e^(-)`
i.e., n-factor = 8 = (`Delta` ox. No.) `xx2`
implies `Delta` ox. No. = 4
Ox. No in `N_(2)H_(4)=-2`
implies Final ox. No. `=-2+4=+2`


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