E-PolyLearning

341. The attractive forces between non-polar molecules are
a. Ion-dipole forces
b. Dipole-dipole forces
c. Hydrogen bonding
d. London dispersion forces
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Answer: (d).London dispersion forces

342. London dispersion forces are more significant in
a. Alkali metals
b. Alkaline earth metals
c. Noble gases
d. Transition metals
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Answer: (c).Noble gases

343. The dispersive forces are more prominent when the size of atoms/molecules is
a. Small
b. Large
c. Medium
d. Least
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Answer: (b).Large

344. These are short-lived forces
a. Ion-dipole forces
b. Dipole-dipole forces
c. Dipole-induced dipole forces
d. London dispersion forces
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Answer: (d).London dispersion forces

345. Greater the number of atoms in a molecule, greater is its
a. Electronegativity
b. Ionization energy
c. Polarizability
d. Electro positivity
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Answer: (c).Polarizability