NEET Test Series from KOTA - 10 Papers In MS WORD
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CHXI06:STATES OF MATTER
314225
Regarding dipole - dipole attractions the incorrect statement is
1 Dipole - dipole attractions are more, if the molecules have high dipole moment values.
2 In liquid \(\mathrm{\mathrm{HBr}}\), dipole - dipole attractions are present.
3 Dipole - Dipole interaction energy between stationary polar molecules as in solids \(\mathrm{\propto r^{-3}}\).
4 Dipole - dipole interaction energy between rotating molecules \(\mathrm{\propto r^{6}}\)
Explanation:
Dipole - dipole interaction energy between rotating molecules is inversely proportional to \(\mathrm{r^{6}}\).
CHXI06:STATES OF MATTER
314226
Type of forces acting between 'HF' molecules and ' \({{\rm{F}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{HF}}\) ' mixture respectively
1 London dispersion and induced dipole attractions
2 Dipole-dipole attractions and Dipole induced dipole attractions
3 Ion-dipole and Dipole-dipole attractions
4 Dipole-dipole and ionic-dipole attractions
Explanation:
\(\mathrm{\mathrm{HF}}\) is polar molecule \(\mathrm{\mathrm{F}_{2}}\) is non-polar molecule Between polar and polar molecules, dipole-dipole interactions are present Between two non-polar molecules, dipole-induced dipole interactions are present.
CHXI06:STATES OF MATTER
314227
London forces arise
1 Due to instantaneous dipole on one atom of a molecule
2 Due to permanent dipole on one atom of a molecule
3 Due to the presence of charge on each ion of a molecule
4 Both (2) & (3)
Explanation:
London forces arises due to instantaneous dipole on one atom of a molecule.
314225
Regarding dipole - dipole attractions the incorrect statement is
1 Dipole - dipole attractions are more, if the molecules have high dipole moment values.
2 In liquid \(\mathrm{\mathrm{HBr}}\), dipole - dipole attractions are present.
3 Dipole - Dipole interaction energy between stationary polar molecules as in solids \(\mathrm{\propto r^{-3}}\).
4 Dipole - dipole interaction energy between rotating molecules \(\mathrm{\propto r^{6}}\)
Explanation:
Dipole - dipole interaction energy between rotating molecules is inversely proportional to \(\mathrm{r^{6}}\).
CHXI06:STATES OF MATTER
314226
Type of forces acting between 'HF' molecules and ' \({{\rm{F}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{HF}}\) ' mixture respectively
1 London dispersion and induced dipole attractions
2 Dipole-dipole attractions and Dipole induced dipole attractions
3 Ion-dipole and Dipole-dipole attractions
4 Dipole-dipole and ionic-dipole attractions
Explanation:
\(\mathrm{\mathrm{HF}}\) is polar molecule \(\mathrm{\mathrm{F}_{2}}\) is non-polar molecule Between polar and polar molecules, dipole-dipole interactions are present Between two non-polar molecules, dipole-induced dipole interactions are present.
CHXI06:STATES OF MATTER
314227
London forces arise
1 Due to instantaneous dipole on one atom of a molecule
2 Due to permanent dipole on one atom of a molecule
3 Due to the presence of charge on each ion of a molecule
4 Both (2) & (3)
Explanation:
London forces arises due to instantaneous dipole on one atom of a molecule.
314225
Regarding dipole - dipole attractions the incorrect statement is
1 Dipole - dipole attractions are more, if the molecules have high dipole moment values.
2 In liquid \(\mathrm{\mathrm{HBr}}\), dipole - dipole attractions are present.
3 Dipole - Dipole interaction energy between stationary polar molecules as in solids \(\mathrm{\propto r^{-3}}\).
4 Dipole - dipole interaction energy between rotating molecules \(\mathrm{\propto r^{6}}\)
Explanation:
Dipole - dipole interaction energy between rotating molecules is inversely proportional to \(\mathrm{r^{6}}\).
CHXI06:STATES OF MATTER
314226
Type of forces acting between 'HF' molecules and ' \({{\rm{F}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{HF}}\) ' mixture respectively
1 London dispersion and induced dipole attractions
2 Dipole-dipole attractions and Dipole induced dipole attractions
3 Ion-dipole and Dipole-dipole attractions
4 Dipole-dipole and ionic-dipole attractions
Explanation:
\(\mathrm{\mathrm{HF}}\) is polar molecule \(\mathrm{\mathrm{F}_{2}}\) is non-polar molecule Between polar and polar molecules, dipole-dipole interactions are present Between two non-polar molecules, dipole-induced dipole interactions are present.
CHXI06:STATES OF MATTER
314227
London forces arise
1 Due to instantaneous dipole on one atom of a molecule
2 Due to permanent dipole on one atom of a molecule
3 Due to the presence of charge on each ion of a molecule
4 Both (2) & (3)
Explanation:
London forces arises due to instantaneous dipole on one atom of a molecule.