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प्रश्न
How is phosphine prepared using the following reagent?
Caustic soda
उत्तर
Preparation of Phosphine using Caustic soda (NaOH)
White phosphorus is heated with concentrated NaOH solution in an inert atmosphere of CO2. It is the laboratory method.
`P_4 + 3NaOH+3H_2O -> PH_3 + 3NaH_2PO_2`
White Sodium hydroxide Phosphine Sodium
phosphorus hypophosphite
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संबंधित प्रश्न
which poisonous gas is evolved when white phosphorus is heated with conc. NaOH solution? Write the chemical equation involved.
What happens when
H3PO3 is heated ?
Write the reactions involved.
How is phosphine prepared using the following reagent ?
HCl
How is phosphine prepared using the following reagent?
H2SO4
Complete the following chemical equations :
Ca3P2 + H2O →