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Tuesday, January 5, 2021

Reasoning Questions of Nitrogen family/15th /Pnictogens!

What are "pyro" oxy acids?
What are "Ortho" or "Meta" oxyacids?
What is structure of (HPO3) metaphosphoric acid?
Why Meta Phosphoric acid always exit in a polymeric form?
What are the structural difference between oxides ( P4O6 and P4O10) of phosphorous?
What are common structural features of oxides (P4O6 and P4O10) of phosphorous?
What are the explanation of Different Bond length and Bond Angle In P4O6 and P4O10 :
What is "calgon" ? Give structure and its uses?
Structure of Oxy acids of Phosphorous:
What is structure of (HPO3) metaphosphoric acid?
What is metaphophoric (HPO3)? 
Why polarity of Ammonia (NH3) is more than NF3 ?
Why is nitrous oxide (N2O) used as an anaesthetic in dentistry?
Which is more basic N(CH3)3 or N(SiH3)3 , explain?
Trisilyl amine, N(SiH3)3 is planar whereas trimethyl amines N(CH3)3 is pyramidal. Explain why?.
What are abnormal behaviour of Nitrogen atom as compared to other family members?
What is product obtained when N2O5 is treated with NaCl?
Phosphorus can form PCl5 but nitrogen can not form NCl5 why?
Are all the five bonds of PCl5 equivalent? Justify your answer.
Why PCl3 hydrolysed while NCl3 can not be hydrolysed? 
Which of the following is/are not known? PCl3, AsCl3, SbCl3, NCl5, BiCl5
Why bond angle of hydrides of group 15, decreases down the group?
Why nitrogen shows catenation properties less than phosphorus?
Why Nitrogen is fairly inert gas?
Why Nitrogen (N2) is less reactive at room temperature?
Where is liquid nitrogen used for?
Why Nitrogen dioxide (NO2) dimerises to form Dinitrogen tetraoxide (N2O4)?
Why Nitrogen dioxide (NO2) is coloured but Dinitrogen tetraoxide (N2O4) is colourless?
Which will have very fast tendency to dimerized ClO2 or NO and why?
Why does H3PO3 acts as a reducing agent but H3PO4 does not?
Hypophosphorous acid (H3PO2) and Phosphorous acid (H3PO3) act as as good reducing agents while H3PO4 does not.Why?

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