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(a) Define hydrogen bond and it types.

Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :(a) (1) Hydrogen bond : <br/>When hydrogen atom (H) is covalently bonded to highly electronegative atom (F or O or N), the bond is polarized in such a way that the hudrogen atom is able to from a weak bond (electrosatic attraction) between the hydrogen atom of a molecule and the electronegative atom a second molecule. The bond thus formed is <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> a hydrogen bonds. <br/> (ii) Intermolecular Hydrogen : <br/> Intermolecular hydrogen bonds occur between two separate molecules. They can occur between any number of like or unlike molecules as long as hydrogen donors and acceptors are present an in position in which they can interact. Eg: Water, <a href="https://interviewquestions.tuteehub.com/tag/hf-479831" style="font-weight:bold;" target="_blank" title="Click to know more about HF">HF</a>, etc., <br/> (iii) Intramolecular Hydrogen : <br/> This type of bond is formed between hydrogen atom and N. O or F atom of the same molecule. <br/> This type of hydrogen bonding is commonly called chelation and is more frequently <a href="https://interviewquestions.tuteehub.com/tag/found-458144" style="font-weight:bold;" target="_blank" title="Click to know more about FOUND">FOUND</a> in organic compounds. Eg: o-nitro phenol, salicylic acid . etc.</body></html>


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