In the following question a statement of Assertion (A) followed by a statement of
Reason (R) is given. Choose the correct option out of the choices given below each
Assertion (A) : Though the central atom of both NH3 and H2O molecules are sp3 hybridised, yet H–N–H bond angle is greater than that of H–O–H.
Reason (R) : This is because nitrogen atom has one lone pair and oxygen
atom has two lone pairs.
(i) A and R both are correct, and R is the correct explanation of A.
(ii) A and R both are correct, but R is not the correct explanation of A.
(iii) A is true but R is false.
(iv) A and R both are false.
NCERT Class XI
Chemistry - Exemplar Problems
Chapter 4. Chemical bonding and molecular structure