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  • When white P4 heated with conc. NaOH in an inert atmosphere it producesOption: 1 Sodium hypophosphite<div class='qna-option'

When white P4 heated with conc. NaOH in an inert atmosphere it produces

Option: 1

Sodium hypophosphite


Option: 2

Sodium phosphate


Option: 3

Phosphine


Option: 4

1 and 3 both


Answers (1)

best_answer

As we learnt ,

Laboratory preparation of phosphine -

White phosphorus heated with conc. NaOH solution in an inert atomosphere of CO2

P_{4}+3NaOH+3H_{2}O\rightarrow PH_{3}+3NaH_{2}PO_{2}

                                                  (Phosphine)    (Sodium hypophosphite)

Therefore, Option (4) is correct                                

Posted by

Ritika Kankaria

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