How many of the following show(s) disproportionation reaction ?
(a) `XeF_(4)+H_(2)O rarr`
(b) `XeF_(2)+H_(2)O rarr`
( c) `Na_(2)S_(2)O_(3).5H_(2)O overset(Delta) rarr`
(d) `P_(4)+NaOH+H_(2)O rarr`
(e )`F_(2)+NaOH rarr`
(g) `Cl_(2)+ " cold/dilute " NaOH rarr`
(h) `HOCl overset(Delta) rarr`
(i) `NO_(2)+NaOH rarr`
(j) `Zn+ NaOH rarr`
[If your answer is 2 then write the answer as 0002.]

Answer

`0006`