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Explain the following : (a) PH_3 has lower boiling point than NH_3 , why(b) Noble gases are mostly inert why ? |
Answer» SOLUTION :(a) This is because in ammonia MOLECULES there are intermolecular H-bond but in `PH_3` there are WEAK VANDER waal.s forces of ATTRACTION .  (b) This is due to the following reasons : (i) They have high ionization enthalpies. (ii) They have zero election affinity. (iii) They have their octets complete. (iv) They have no unpaired electrons. |
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