Phosphorus

what does reagent red phosphorous do?

Concentrated ${\mathrm{HNO}}_3$ oxidise white phosphorus into which substance?

Which of the following elements is kept in water?

The molecular formula of phosphorus is:

${\mathrm{P}}_4$ has which of the following structures?

The most reactive allotropic form of phosphorus is

The bond angle $\mathrm{p}-\mathrm{p}-\mathrm{p}$ in ${\mathrm{P}}_4$ is about

Give some physical properties of white phosphorus:

Which of the following phosphorus is reacted with sodium hydroxide to give phosphine?

Give reaction between the white phosphorus and alkali metal?

_____ phosphorus dissolves in boiling NaOH solution in an inert atmosphere giving phosphine.

White phosphorus dissolves in boiling NaOH solution in an inert atmosphere giving phosphine.

Describe the reaction between white phosphorus and sodium hydroxide.

Which allotrope of phosphorus is least reactive?

Red phosphorus exists in ______ form of phosphorus atoms.

Define red phosphorus.

Give the structure of red phosphorus.

When white phosphorous is heated at $473 \mathrm{K}$ and under heavy pressure is $\mathrm{\beta }-$_____ phosphorous.

Account for the following :

White phosphorus shows chemiluminescence.

Which allotrope of phosphorus forms $\mathrm{\alpha }$-black and $\mathrm{\beta }$-black phosphorus?