Question

Question 7 1 pts Determine the molecular geometry at each interior atom in the given molecule below. Η 1) The molecular geometry around C (1) is (Select] 2) The molecular geometry around N (2) is (Select] 3) The molecular geometry around C(3) is (Select] 4) The molecular geometry around O (4) is (Select]

options :

- trigonal pyramidal

- bent

- tetrahedral

-trigonal planar

Answer 1

Ans) 1. The First Carbon or C(1) is forming 3 sigma bonds with the hydrogen atoms and Nitrogen, and Pi-bond with the N(2)-Nitrogen atom.Thus it has sp² hybridisation and will have a Trigonal planar geometry.

2. The Nitrogen atom N(2) forms 1 sigma and 1 Pi-bond , but since the lone pair on Nitrogen is not delocalised ,it will form trigonal pyramidal geometry.

3. The Carbon-3 atom forms all 4 sigma bonds and has sp³ hybridisation.Thus it will have the regular tetrahedral geometry.

4. The O(4) atom forms 2 sigma bonds, but due to the presence of two lone pairs, the Lone pair-Lone pair repulsion between them causes the molecular geometry to be bent.