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The covalency of nitrogen in HNO3 is:
(1) 0
(2) 3
(3) 4
(4) 5
Ans: 5
how is it solved?????????
Ring substitution in aromatic ethers Alkoxy group is ortho and para directing and it directs the incoming groups to ortho and para position. It becomes the aromatic ring leads
SHORTNOTE ON CONDUCTING POLYMERS
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