Choose the strongest non-covalent interaction that exists between the following

Question

Choose the strongest non-covalent interaction that exists between the following pairs of compounds.

1. H2O and H2S

2. CO2 and CH3CH3

3. Na+ and F-

4. Li+ and H2O

5. H2O and CHCl3

The options for number each are:

Ion-Ion

Ion-Dipole

Dipole-Dipole

Dipole-Induced Dipole

Induced Dipole-Induced Dipole

6. Add electrons (as bonds or lone pairs) to the skeleton below to obtain the best Lewis structure for this molecule. Answer the following questions based on this Lewis structure.

6-1. How many lone pairs of electrons in your Lewis structure?

6-2. Does your Lewis structure feature any non-zero formal atom charges? (answer yes or no)

7. Draw the skeleton for the best Lewis structure, and resonance contributors of equal energy (if any), for H2AsO4?.

Explanation / Answer

1)Dipole-Dipole Intraction

2)Dipole-Induced Dipole

3)Ion-Ion

4)Ion-Dipole

5Dipole-Dipole

6)Your structure is wrong this type of Compound not Exist there are four carbon atom having only three bond

6.1) On Oxygen 2 lone pair of electron According to your structure 4 lone pair of electron on four carbon

6.2)Yes

7)Two lewis structure have equal energy One Oxygen Atom bonded with single bond &other bonded with double bond with As. And these oxygen double single bond changing take place so form two lewis structure having equal energy   

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