In the balanced chemical reaction
`IO_(3)^(ө)+al^(ө)+bH^(ө)rarrcH_(2)O+dI_(2)`
`a, b,c`, and `d`, respectively, correspond to

Options

A. 5,6,3,3
B. 5,3,6,3
C. 3,5,3,6
D. 5,6,5,5

Answer

A

Explanation

`IO_(3)^(-)+al^(-)+bH^(+)rarrcH_(2)O+dI_(2)`
Step 1: `I^(-)rarrI_(2)` (oxidation)
`IO_(3)^(-)rarrI_(2)` (reduction)
Step 2: `2IO_(3)^(-)+12H^(+)rarrI_(2)+6H_(2)O`
`[2I^(-)rarrI_(2)+2g`
Step 4: `2IO_(3)^(-)+12H^(+)+10e^(-)rarrI_(2)+6H_(2)O`
`IO_(3)^(-)+5I^(-)+6H^(+)rarr3I_(2)+3H_(2)O`
On comparing, `a=5, b=6, c=3, d=3`.