Chemical Engineering - Fertiliser Technology - Discussion

Discussion Forum : Fertiliser Technology - Section 1 (Q.No. 7)
7.
Red phosphorous is changed into white phosphorous by
heating in presence of light.
melting under pressure.
vaporisation followed by condensation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Satya said:   9 months ago
Red phosphorus is heating in an inert at temperatures above 300°C and then condensing the vapors.

The vapour is cooled rapidly to condense into white phosphorus.

Gowtham said:   6 years ago
Heating in the presence of light for red to white.

For colling it is reversible.
(1)

Nayan said:   5 years ago
The correct answer is heating in the presence of light.

Er Bharat Singh said:   4 years ago
Agree, the right Answer is c.

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