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Earn 100

Suggest the most important type of intermolecular attractive interaction in the following pairs.
(i) n-hexane and n-octane
(ii) I2 and CCl4
(iii) NaClO4 and water
(iv) Methanol and acetone
(v) Acetonitrile (CH3CN) and acetone (C3H6O)
Make selections from the following choices.
(a)
(i) | London's forces |
(ii) | London's forces |
(iii) | Ion dipole interactions |
(iv) | Intermolecular H-bonding |
(v) | Dipole-dipole interaction |
(b)
(i) | Ion dipole interactions |
(ii) | Intermolecular H-bonding |
(iii) | London's forces |
(iv) | London's forces |
(v) | Dipole-dipole interaction |
(c)
(i) | Dipole-dipole interaction |
(ii) | Intermolecular H-bonding |
(iii) | Ion dipole interactions |
(iv) | London's forces |
(v) | London's forces |
(d)
(i) | Dipole-dipole interaction |
(ii) | London's forces |
(iii) | London's forces |
(iv) | Intermolecular H-bonding |
(v) | Ion dipole interactions |

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Important Questions on States of Matter
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In which of the following solid substance dispersion forces exist?

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[ is the distance between the polar molecules]

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(Latent heat of ice is and )

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HARD

The correct option(s) is (are)

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Match the type of interaction in column with the distance dependence of their interaction energy in column
A | B |
(i) ion - ion | (a) |
(ii) Dipole - dipole | (b) |
(iii) London dispersion | (c) |
(d) |

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Increasing order of boiling points in the following compounds is:

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HARD

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The combination of plots which does not represent isothermal expansion of an ideal gas is

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(R = 8.314 J/mol K) (ln7.5 = 2.01)

HARD

The above diagram represents the thermodynamic cycle of an engine, operating with an ideal mono-atomic gas. The amount of heat, extracted from the source in a single cycle, is:

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