How many of the following reaction would produce phosphine gas ?
(a) `PH_(4)Cl+NaOH rarr " " (b) P_(4)+NaOH overset(Delta) rarr `
( c) `Ca_(3)P_(2)+H_(2)O rarr " " (d)H_(3)PO_(3) overset(Delta) rarr`
(e ) `PCl_(5)+H_(2)SO_(4) rarr " " (f) H_(3)PO_(2) overset(Delta) rarr`
(g) `P_(2)Cl_(4)+H_(2)O rarr " " (h) AlP+H_(2)O overset( Delta) rarr `
(i) ` P_(4)O_(10)+H_(2)O rarr`

Answer

`0006`

Explanation

(a),(b),( c),(d),(f),(h)