What happens when phosphorus is heated with strong sodium hydroxide solution?
Oxidation takes place
Hydroxide is formed
An inflammable gas evolves
No reaction takes place
A
Oxidation takes place
B
Hydroxide is formed
C
An inflammable gas evolves
D
No reaction takes place
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Solution
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Sodium hydroxide dissolves white phosphorus to give phosphine and sodium hypophosphite. Phosphine is an inflammable gas evolved from this reaction.
4P+3NaOH+3H2O→PH3(g)+NaH2PO2
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