Ncert Exercises & Solutions

Elements X, Y and Z have 4, 5 and 7 valence electrons respectively.

1. Write the molecular formula of the compounds formed by these elements individually with hydrogen.

2. Which of these compounds will have the highest dipole moment?

(a)

(b) Z has seven electrons in its valence shell. It is the most electronegative element. Therefore, HZ will have the highest dipole moment.