NCERT Class XII Chemistry
Chapter - Solutions
Questions with Solutions
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Question : 23
Total: 53
Suggest the most important type of intermolecular attractive interaction in the following pairs.
(i) n-Hexane and n-octane
(ii)I 2 CCl 4
(iii)NaClO 4
(iv) Methanol and acetone
(v) Acetonitrile( CH 3 CN ) ( C 3 H 6 O )
(i) n-Hexane and n-octane
(ii)
(iii)
(iv) Methanol and acetone
(v) Acetonitrile
Solution:
(i) n-Hexane and n-octane : London dispersion forces as both themolecules are non-polar.
(ii)I 2 CCl 4
(iii)NaClO 4 NaClO 4 Na + ClO – 4
(iv) Methanol and acetone : Dipole-dipole interactions as both themolecules are polar.
(v) Acetonitrile and acetone : Dipole-dipole interactions as both themolecules are polar.
(ii)
(iii)
(iv) Methanol and acetone : Dipole-dipole interactions as both themolecules are polar.
(v) Acetonitrile and acetone : Dipole-dipole interactions as both themolecules are polar.
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