Mole concept, Chemistry

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What is mole concept?

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The maximum number of electrons in p -orbital with n= s, m=1  is: (1) 6        (2) 2       (3) 14       (4) 10 Ans: 2

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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

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BHC, structure and uses

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