Question

Among the following, what is the total number of compounds having zero oxidation state of the underlined elements?
a. `ul(S)O_(3)^(2-)`
b. `H_(2)ul(C )O`
c. `ul(C )H_(2)Cl_(2)`
d. `Na_(2)ul(cl_(2))`
e. `ul(O)_(3)`

Answer 1

Correct Answer - A
The sum of the oxidation state of all underlined elements is `4+0+0+6+0= 10`