test 2 #7a

[annikaying]

On test two for number 7a why was the answer 14 hydrogen bonding sites?

[Joseph Saba]

i believe it was 11 hydrogen bonding sites if I remember correctly. Count up the number of lone pairs and the number of hydrogens that are bonded to NOF to and add them together to get the number of hbonding sites

[Sartaj Bal 1J]

I believe it was 14 binding sites because each oxygen has 2 lone pairs which accounts for 6 sites, and then there are four hydrogens and four nitrogens with a lone pair. Thus accounts for H bonding because the H is attached to an electronegative atom (O, F, N) and the electronegative atoms mentioned above each have lone pairs.

[Jasmine Vallarta 2L]

It's the number of lone pairs present in the molecule

[Justin Quan 4I]

To add on, the total number of hydrogen bonding sites is equal to the number of lone pairs on electronegative atoms like N, O, F, plus the number of positively charged hydrogen atoms