Question

Answer the following questions related to the chemical bonding in substances containing Cl.

(b) Cl2 reacts with the element Sr to form an ionic compound. Based on periodic properties, identify a molecule, X2, that is likely to to react with Sr in a way similar to how Cl2 reacts with Sr. Justify your choice.

(c) A graph of potential energy versus internuclear distance for two Cl atoms is given below. On the same graph, carefully sketch a curve that corresponds to potential energy versus internuclear distance for two Br atoms. The figure presents the graph of a curve in a coordinate plane. The horizontal axis is labeled Internuclear Distance, and the vertical axis is labeled Potential Energy. The number 0 is indicated at the origin. The curve starts above the horizontal axis and to the right of the vertical axis. It moves steeply downward and to the right, crossing the horizontal axis to the right of the vertical axis. It reaches a minimum point far below the horizontal axis, and then moves upward and to the right. It moves steeply at first, then becomes more gradual as it approaches the horizontal axis. It continues very gradually upward and to the right until it ends just below the horizontal axis.

(d) In the box below, draw a complete Lewis electron-dot diagram for the C2Cl4 molecule.

(i) What is the hybridization of the C atoms in C2Cl4 ?

(ii) What is the approximate chlorine-carbon-chlorine bond angle in C2Cl4 ?

(iii) Is the C2Cl4 molecule polar?

Answer 1

The explanantion for each answer is provided along.