Match the compounds given in column I with oxidation states of carbon given in column II and mark the appropriate choice.
`{:(,"Column I",,"Column II"),("(A)",C_(6)H_(12)O_(6)," (i)"," +3"),("(B)",CHCl_(3)," (ii)"," -3"),("(C)",CH_(3)CH_(3)," (iii)"," +2"),("(D)",(CO OH)_(2)," (iv)"," 0"):}`

Options

A. (A) `rarr` (iv), (B) `rarr ` (iii), (C) `rarr` (ii), (D) `rarr` (i)
B. (A) `rarr` (i), (B) `rarr ` (ii), (C) `rarr` (iii), (D) `rarr` (iv)
C. (A) `rarr` (ii), (B) `rarr ` (iii), (C) `rarr` (iv), (D) `rarr` (i)
D. (A) `rarr` (iii), (B) `rarr ` (ii), (C) `rarr` (i), (D) `rarr` (iv)

Answer

A

Explanation

`C_(6)H_(12)O_(6):6x+12+(-12)=0rArr x=0`
`CHCl_(3):x+1+(-3)=0 rArr x=+2`
`CH_(3)CH_(3):x+3+x+3=0 rArr x=-3`
`(CO OH)_(2):x+x+(-4xx2)+(+2)=0 rArr x=+3`