1. The shape of the water-to-gass meniscus results from the strong adhesive forc

Question

1. The shape of the water-to-gass meniscus results from the strong adhesive forces between glass and water.
A) true
B) false

2.Identify the dominant (strongest) type of intermolecular force present in H2S(g)


3. A p (pi) bond is the result of the

A) overlap of two s orbitals
B) overlap of an s orbital and a p orbital
C) overlap of two p orbitals along their axes
D) sidewise overlap of two parallel p orbitals
E) sidewise overlap of two s orbitals

4. Sulfur trioxide is known to be a planar with all the oxygen atoms equidistant from the central sulfur atom. On the basis of these facts, which of the following conclusions may be drawn concering this molecule?

I. It can be represented by three equivalent resonance structures.
II. The diopoles associated with each S-O bond are equal in magnitude.
III. The sulfur atom is sp2 hybrized.

A) I only
B) II only
C) III only
D) I and II only
E) I, II, and III

Explanation / Answer

1) True

The shape of the water-to-gass meniscus results from the strong adhesive forces between glass and water

2) H2S is polar molecule

so dipole-dipole interaction is major intermolecular interaction.

3) D) sidewise overlap of two parallel p orbitals

4) E) I, II, and III

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