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Which bond is more polar in the followin...

Which bond is more polar in the following pairs of molecules ?
(a) `H_3C-H,H_3C-Br`,
(b) `H_3C-NH_2,H_3C-OH`
( c) `H_3C-OH,H_3C-SH`.

Text Solution

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(i) `C - Br` because Br is more electronegative than H.
(ii) `C-O` because O is more electronegative than N .
(iii) `C - O` because O is more electronegative than S.
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Which bond is more polar in the following pairs of molecules: (a) H_(3)C - H, H_(3)C-Br (b) H_(3)C - NH_(2), H_(3)C - OH (c) H_(3)C - OH, H_(3)C - SH

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