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प्रश्न
Which allotrope of sulphur is thermally stable at room temperature ?
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उत्तर
The rhombic allotrope of sulphur (α-suphur) is thermally stable at room temperature.
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संबंधित प्रश्न
Which allotrope of phosphorus 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.
Answer the following question.
Write the disproportionation reaction of H3PO3.
Which allotrope of phosphorous is most stable?
What is the spontaneous ignition temperature of white phosphorous?
All elements of Group 15 show allotropy except ______.
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.
Which one of the following is formed (mainly) when red phosphorus is heated in a sealed tube at 803 K?
