1.

Which is the oxidation number of carbon underlined in CH_(3)underlineCOO*CH_(2)*CH_(3) ?

Answer»

`+1`
`+4`
`-3`
`+3`

SOLUTION :
`CH_(3)+C+(O)+(O)+(CH_(2)-CH_(3))=0`
`therefore0+C+(-2)+(-2)+1=0`
`thereforeC=+3`


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