Question

In ammonia molecule polar covalent bond formation takes place between nitrogen and hydrogen.

• A. True
• B. False

Answer 1

The correct option is A True

As Electronegativity of Nitrogen is 3 and Hydrogen is 2.2, the difference in electronegativity is 0.8 which is less than 1.7. Hence they form covalent bonds. As Nitrogen is more Electronegative atom pulls an electron from the bond towards it hence the dipole moment exist. Thus they are polar in ammonia $NH{}_3$