Questions  

Laboratory method for the preparation of phosphine is :

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By Expert Faculty of Sri Chaitanya
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a
Ca3P2+6H2O→ 3CaOH2+2PH3
b
Ca3P2+6HCl→ 3CaCl2+2PH3
c
P4+3NaOH+3H2O→ PH3+3NaH2PO2
d
PH4I+KOH→ KI+H2O+PH3
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detailed solution

Correct option is C

By boiling white phosphorous with 30 to40 %solution of caustic soda in an inert atmosphere of CO2 to give impure phosphene.

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Similar Questions

On heating with concentrated NaOH solution in an inert atmosphere of CO2, white phosphorus gives a gas. Which of the following statements is incorrect about the gas?

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