Advertisements
Advertisements
प्रश्न
Which of the following elements does not show allotropy?
पर्याय
Nitrogen
Bismuth
Antimony
Arsenic
उत्तर
Nitrogen
Explanation:
Nitrogen does not show allotropy due to its weak N – N single bond.
Therefore, ability of nitrogen to form polymeric structure or more than one structure become less. Hence, nitrogen does not show allotropy.
APPEARS IN
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 reasons for the following:
Red phosphorus is less reactive than white phosphorus.
Which allotrope of sulphur is thermally stable at room temperature ?
Answer the following question.
Write the disproportionation reaction of H3PO3.
At what temperature white phosphorus changes to red phosphorus?
What is the spontaneous ignition temperature of white phosphorous?
All elements of Group 15 show allotropy except ______.
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.
