Predict the direction and the relative value of the dipole moment of the following bond:
(a) c←cl, electronegativity difference > 0.5
(b) c←cl, electronegativity difference < 0.5
(c) c→cl, electronegativity difference > 0.5
(d) c→cl, electronegativity difference < 0.5

The direction of dipole moment is C→Cl and electronegativity difference = 0.5

Explanation:

The dipole moment is formed when there is a separation of charges in a chemical bond. The electrons of the bond tend to be more localized near the more electronegative atom.  

The electronegativity of chlorine atom = 3.0 and electronegativity of carbon atom = 2.5

Therefore, chlorine is more electronegative than carbon. So, the electrons tend to be localized more near the electronegative chlorine atom. Therefore, the direction of dipole moment is C→Cl and electronegativity difference is equal to 0.5.

rosa was looking for patterns to predict the products of chemical reactions. she recorded three similar decomposition reactions in the table.she should record 2licl + 3o2.

in the last row of the table. it is the thermal decomposition of chlorate lithium, hence, she should record these products as: lithium chloride ( 2licl ) and oxygen ( 3o2 )   2 > 2 licl + 3o2.