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27 July, 17:07

Which of the following statements is predicted to be false?

(a) an aqueous solution of CaCl2 exhibits ion-dipole forces between solute and solvent

(b) an aqueous solution of ethanol exhibits H-bonding forces between solute and solvent

(c) an aqueous solution of CO2 exhibits dipole-dipole forces between solute and solvent

(d) an aqueous solution of O2 exhibits dipole-induced-dipole forces between solute and solvent

(e) a solution of toluene (C7H8) in benzene (C6H6) exhibits only dispersion forces between solute and

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  1. 27 July, 19:52
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    (c) an aqueous solution of CO2 exhibits dipole-dipole forces between solute and solvent

    Explanation:

    Co2 is a non-polar molecule.

    It is actually shown to be O=C=O.

    When dissolved in water to get aqueous solution.

    Dipole on water molecule can induce dipole on CO2.

    This entails that we should have dipole-induced dipole forces when we have a mixture or solvent and solute.

    But the given statement states dipole dipole forces between solute and solvent.

    Hence the statement is false.
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