Question

Monosilane on coming in contact with air burns with a luminous flame producing vortex rings. These rings are of
A. `SiO_(2)`
B. `SiO`
C. Si
D. `H_(2)SiO_(3)`

Answer 1

Correct Answer - A
Monosilane `(eg SiH_(4))` on coming in contact with air burns with a luminous flame producing vortex ring. These rings are of silica.
`SiH_(4)+3O_(2) to SiO_(2)+2H_(2)O`