Q.

Which of the following statement is true with respect to H2O, NH3 and CH4                     [2025]

A. The central atoms of all the molecules are sp3 hybridized.

B. The H–O–H, H–N–H and H–C–H angles in the above molecules are 104.5°, 107.5° and 109.5° respectively.

C. The increasing order of dipole moment is CH4<NH3<H2O.

D. Both H2O and NH3 are Lewis acids and CH4 is a Lewis base.

E. A solution of NH3 in H2O is basic. In this solution NH3 and H2O act as Lowry–Bronsted acid and base respectively.

Choose the correct answer from the options given below:

1 A, B and C only  
2 C, D and E only  
3 A, D and E only  
4 A, B, C and E only  

Ans.

(1)