Question

1. Give Place the following substances in order of decreasing boiling point why? (6 points) 1CH3CH2CI 2. Place the following compounds in order of decreasing strength of intermolecular forces. Why? (6 points) 3 N2 4-NH CH 2 He 1 NO2 3. Draw 3 Lewis resonance structures for OCN. Circle the most stable one state why. 14 points) Stru Structure

pls only do number 2

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Answer #1

4>1 >3 >2 (CH3NH2 >NO2 >N2 >He)

4 has hydrogen bonding, strong intermolecular forces

3 has Dispersion forces

2 has Dispersion forces

1 has Dipole-Dipole forces

Note :greater the molar mass, greater is the Dispersion forces hence N2 >He

Order of intermolecular forces :Hydrogen bond >Dipole-Dipole >Dispersion

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pls only do number 2 1. Give Place the following substances in order of decreasing boiling...
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