e compounds from highest o lowest: NHs, CO2, Ne, H:O, 1. HC1, HF, and NO. nk th

Question

e compounds from highest o lowest: NHs, CO2, Ne, H:O, 1. HC1, HF, and NO. nk th a) HO, NH, ,HF, HCI, NO, CO2, Ne b) Ne, CO, NO, HCI, HF, NHs, H2O c) HO, HF ,NHs, HCI, NO, CO, Ne d) HF, H O, HCL, NHs, CO2, NO, Ne e) None of the above 2. What is the dominant intermolecular force present in water? H20 a) London dispersion b) Ionic bonding )Hydrogen bonding d) Dipole-dipole e) Dipole/induced dipole 3. Based on the Lewis structure for the nitrate ion, what is the formal charge of the nitrogen atom? a) 0 b) +1 c) -1 d) +2 e) none of the above Ca

Explanation / Answer

1) the answer is c.as the boiling point depends on the intermolecular forces.Greater the intermolecular force more will be the boiling point.order of intermolecular force ; ionic bond> hydrogen bond> vandervall force > dipole dipole interaction> vander vall dispersion force

2) hydrogen bonding

3) +1

Formal charge = valence electron - non- bonding electron - bonding electron /2

= 5 - 0 - 8/2 = +1

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