Multiple choice

In which of the following bonds the strongest absorption in the IR spectra will be observed?

  1. B-H

  2. C-H bond

  3. N-H bond

  4. O-H bond

  5. S-H bond
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The strength of the absorption depends on - (i) polarity of the bond and  (ii) the number of bonds. O-H has highest bond polarity, hence it will show strongest absorption in IR.

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