Question

The electronegativity values of the elements are useful in predicting :

• A. Bond energy of a molecule.
• B. Polarity of a molecule.
• C. Nature of an oxide.
• D. All of these

Answer 1

Answer: (D)

All of these

Answer 2

All these properties vary with the change in electronegativity. For example the change in values of electronegativity of the elements, bring about the change in the acidic character of oxide.

$\xrightarrow { \mathrm { Na } _ { 2 } \mathrm { O } < \mathrm { B } _ { 2 } \mathrm { O } _ { 3 } < \mathrm { N } _ { 2 } \mathrm { O } _ { 5 } < \mathrm { SO } _ { 3 } < \mathrm { Cl } _ { 2 } \mathrm { O } _ { 7 } }$

electronegativity increases & thus acidic character increases