Explanation
NH3 can be dried by CaO.All other reagent react with it
Tolal number of electrons in NO are 7 + 8 = 15 , in CO are 6 + 8 = 14, in N2 are 7 + 7 = 14 and in CO2 are 6 +16 = 22. Thus NO has odd number of electrons (15 ).
Ozone is used to purify (sterilise ) water since it destroys bacteria and viruses .
Ore of boron, colemanite is Ca2B6O11.5H2O
Graphite is a covalent solid where lattice points are occupied by carbon atoms
FeSO4 solution absorbs NO gas to form FeSO4. NO complex
N2O3 is blue solid
Bond angle in CO2 is 180o, in CH4 is 109.5o, in NH3 is 107o and in H2O it is 105o
H2O2 acts both as reducing and oxidising agent
In F3BNH3 complex both N and B are sp3-hybridized and geometry around each is tetrahedral
In diamond structure, each C atom is sp3 hybridized.
Nitrogen can form only NCl3 while phosphorus can form both PCl3 and PCl5 because of the availability of vacant d-orbitals in P but not in N.
Graphite has carbon atoms arranged in large hexagonal layers with weak van der Waals interactions between the layers
Bond angles are OH2 (104o), H2S (92o),NH3 (107o ) and SO2 (119.5o).
H3BO3 is a monobasic weak Lewis acid
B(OH)3 is a Lewis acid.
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