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  • Can someone explain Which of the following forms a molecular solid when solidified?

Which of the following forms a molecular solid when solidified?

  • Option 1)

    Silicon Carbide

  • Option 2)

    CaF2

  • Option 3)

    NaCl

  • Option 4)

    Methane

 

Answers (1)

best_answer

Silicon Carbide form covalent solid, CaF2 and NaCl form ionic crystal. CH4 form molecular solid.

 

Molecular solids -

Atoms or molecules are bonded throug Van Der Waals forces (london dispersion, dipole-dipole interaction and hydrogen bonding).

- wherein

London dispersion: ex., I2(s), Cl2(s), Ne(s), CO2(s)

Dipole- dipole interaction: ex., HCl(s), SO2(s)

Hydrogen bond: ex. ice, HF(s)

 

 


Option 1)

Silicon Carbide

This is incorrect

Option 2)

CaF2

This is incorrect

Option 3)

NaCl

This is incorrect

Option 4)

Methane

This is correct

Posted by

prateek

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