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प्रश्न
Answer the following question.
Write the disproportionation reaction of H3PO3.
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उत्तर
\[\ce{4H3(PO3)->[Δ] 3H3 (PO4) + PH3}\]
संबंधित प्रश्न
Out of white phosphorus and red phosphorus, which one is more reactive and why?
What happens when white phosphorus is heated with concentrated NaOH solution in an inert atmosphere of CO2?
Give reason for the following:
Red phosphorus is less reactive than white phosphorus.
Which allotrope of sulphur is thermally stable at room temperature ?
At what temperature white phosphorus changes to red phosphorus?
What is the spontaneous ignition temperature of white phosphorous?
Which of the following elements does not show allotropy?
Which of the following is correct for P4 molecule of white phosphorus?
(i) It has 6 lone pairs of electrons.
(ii) It has six P–P single bonds.
(iii) It has three P–P single bonds.
(iv) It has four lone pairs of electrons.
Phosphorus has three allotropic forms — (i) white phosphorus (ii) red phosphorus and (iii) black phosphorus. Write the difference between white and red phosphorus on the basis of their structure and reactivity.
Which one of the following is formed (mainly) when red phosphorus is heated in a sealed tube at 803 K?
