Which of the following statement is incorrect ?
A. `PCl_(5)` produces `POCl_(3)` as intermediate product during hydrolysis
B. `BCl_(3)` produces `B(OH)_(3)` during alkaline hydrolysis
C. `SiH_(4)` gives rise to hydrogen gas during alkaline hydrolysis
D. One molecule of `N_(2)O_(5)` produces two molecules of `HNO_(3)` during hydrolysis
