Chemistry Class 11 NCERT Solutions: Chapter 12 Organic Chemistry Some Basic Principles and Techniques Part 1

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Q: 1. What are hybridisation states of each carbon atom in the following compounds?

Answer:

(i)

(ii)

(iii)

(iv)

(v)

All the 6 carbon atoms in benzene are hybridised

Q: 2. Indicate the and bonds in the following molecules:

Answer

(i)

There are six C-C sigma bonds, six C-H sigma bonds, and three pi resonating bonds in the given compound

(ii)

There are six C- C sigma bonds and twelve C- H sigma bonds in the given compound.

(iii)

There two C-H sigma bonds and two C-Cl sigma bonds in the given compound

(vi)

There are two sigma bonds, four C-H sigma bonds, and two C=C pi bonds in the given compound

(v)

There are three C- H sigma bonds, one C-N sigma bond, one N-O sigma bond, and one N=O pi bond in the given compound.

(vi)

There are two C-N sigma bonds, four C-H sigma bonds, one N-H sigma bond, and one C=O pi bond in the given compound.