Allotropes of Phosphorus

IMPORTANT

Allotropes of Phosphorus: Overview

This topic covers concepts such as Allotropy in Group 15 Elements, Phosphorus, Allotropes of Phosphorus, White Phosphorus, Properties of White Phosphorus, Red Phosphorus, Properties of Red Phosphorus, Black Phosphorus, etc.

Important Questions on Allotropes of Phosphorus

EASY
IMPORTANT

Which allotrope of phosphorus is least reactive?

EASY
IMPORTANT

Red phosphorus exists in ______ form of phosphorus atoms.

EASY
IMPORTANT

Define red phosphorus.

EASY
IMPORTANT

Give the structure of red phosphorus.

MEDIUM
IMPORTANT

When white phosphorous is heated at 473 K and under heavy pressure is β-_____ phosphorous.

EASY
IMPORTANT

Account for the following :

White phosphorus shows chemiluminescence.

EASY
IMPORTANT

Which of the following is not an allotrope of phosphorous?

EASY
IMPORTANT

Which allotrope of phosphorus forms α-black and β-black phosphorus?

HARD
IMPORTANT

Draw the polymeric structure of red phosphorus.

HARD
IMPORTANT

Comment the electrical properties of black phosphorus.

HARD
IMPORTANT

Black phosphorus has two forms α-black phosphorus and _____ phosphorus.

HARD
IMPORTANT

Question Image

On heating red phosphorus at 803 K _____ is formed.

HARD
IMPORTANT

Question Image

On heating white phosphorus at 473 K _____ is prepared.

HARD
IMPORTANT

Black phosphorus has two forms α-black phosphorus and β-black phosphorus.

HARD
IMPORTANT

What is the structure of black phosphorus ?

EASY
IMPORTANT

Why is Bi(V) a stronger oxidant than Sb(V) ?

MEDIUM
IMPORTANT

Which of the following elements can be involved in bonding?

EASY
IMPORTANT

Find out the difference between- White phosphorus and red phosphorus.

MEDIUM
IMPORTANT

The p-p-p angle in white phosphorous is:

MEDIUM
IMPORTANT

Draw the structures of white and red phosphorous.