Among the mixtures, which has polar-polar interactions? a. benzene & ethanol b. acetonitrile & acetone c. KCl & water d. benzene & carbon tetrachloride? Additionally, what are the... Among the mixtures, which has polar-polar interactions? a. benzene & ethanol b. acetonitrile & acetone c. KCl & water d. benzene & carbon tetrachloride? Additionally, what are the kinds of atomic orbitals that combine to form molecular orbitals in diatomic molecules? a. π-molecular orbital b. σ-molecular orbital c. δ-molecular orbital d. no bond will form?

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Understand the Problem

The question is asking to identify which mixtures involve polar and nonpolar interactions, and about the types of atomic orbitals that can form molecular orbitals in diatomic molecules.

Answer

Acetonitrile & Acetone, σ-molecular orbital

The final answer is: Acetonitrile & Acetone for polar-polar interactions, and σ-molecular orbital for types of atomic orbitals forming molecular orbitals.

Answer for screen readers

The final answer is: Acetonitrile & Acetone for polar-polar interactions, and σ-molecular orbital for types of atomic orbitals forming molecular orbitals.

More Information

Acetonitrile and acetone are both polar molecules, which leads to dipole-dipole interactions. In molecular orbital theory, σ-bonds form when orbitals overlap end-to-end.

Tips

A common mistake is to confuse nonpolar and polar interactions. Remember that polar molecules have dipole-dipole interactions.

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