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White phosphorus is more reactive than red phosphorus.

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Important Questions on Industrial Chemistry

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Science>Chemistry>Industrial Chemistry>Phosphorus

Name the allotrope of phosphorous that exhibits chemiluminescence.

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

White phosphorus on reaction with concentrated

N a O H

solution in an inert atmosphere of

C O_{2}

gives phosphine and compound

(X) . (X)

on acidification with

H C l

gives compound

(Y) .

The basicity of compound

(Y)

is:

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

Heating white phosphorus with conc.

NaOH

solution gives mainly

MEDIUM

Science>Chemistry>Industrial Chemistry>Phosphorus

The product formed by the reaction of

{SOCl}_{2}

with white phosphorus is

EASY

Science>Chemistry>Industrial Chemistry>Phosphorus

Explain with chemical equation - What happen when white phosphorous is heated at

473 K

and very high pressure?

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Science>Chemistry>Industrial Chemistry>Phosphorus

Write main differences between the properties of white phosphorus and red phosphorus.

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

The most reactive allotropic form of phosphorus is

MEDIUM

Science>Chemistry>Industrial Chemistry>Phosphorus

Which of the following is kept under water ?

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

How does white phosphorus react with (i)

H_{2} {SO}_{4}

, (ii) sulphur, (iii)

Mg

, (iv)

Na

and (v)

{HNO}_{3}

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Science>Chemistry>Industrial Chemistry>Phosphorus

White phosphorus, when heated with conc.

NaOH

solution in an inert atmosphere of

{CO}_{2}

, forms phosphine and a sodium salt of oxoacid of phosphorus,

' X'

. The oxidation state of phosphorus in

' X'

MEDIUM

Science>Chemistry>Industrial Chemistry>Phosphorus

Which of the following statements are correct?

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Science>Chemistry>Industrial Chemistry>Phosphorus

Each of the following is true about white and red phosphorus except that the

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Science>Chemistry>Industrial Chemistry>Phosphorus

Which of the following statements are true about the allotropes of phosphorous?

a. White phosphorous is unstable because of angle strain.

b. White phosphorous shows phosphorescence.

c. Red phosphorous has a polymeric structure.

d. The phossy jaw is caused by red phosphorous.

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

White phosphorus on reaction with lime water gives calcium salt of an acid

X

, along with a gas

Y

. Which of the following statements is correct ?

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

Could the strain in

P_{4}

molecule be reduced by using

{sp}^{3}

hybrid orbitals in bonding instead of pure

p -

orbitals?

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Science>Chemistry>Industrial Chemistry>Phosphorus

Among the following statements, choose incorrect statement about white phosphorus.

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Science>Chemistry>Industrial Chemistry>Phosphorus

For

P_{4}

molecule of white phosphorus, which of the following is correct?

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Science>Chemistry>Industrial Chemistry>Phosphorus

The reaction of

P_{4}

with

X

leads selectively to

P_{4} O_{6}

. The

X

MEDIUM

Science>Chemistry>Industrial Chemistry>Phosphorus

Which of the following oxoacids is obtained by reaction of white phosphorous with alkali followed by reaction with a non-oxidising acid?

HARD

Science>Chemistry>Industrial Chemistry>Phosphorus

White phosphorus

(P_{4})

has the following characteristics.

White phosphorus is more reactive than red phosphorus.

Important Questions on Industrial Chemistry

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