CBSE Class 11 Chemistry Organic Chemistry Worksheet

Instructions:

1. All questions are compulsory.

2. Please give the explanation for the answer where applicable.

Q1 - Define Organic chemistry.

Q2 - Organic chemistry is treated as a separate branch. Why?

Q3 - Write a short on the tetravalency of carbon. 

Q4 - What are the main characteristics of a Homologous series. 

Q5 - What are aliphatic hydrocarbons? Give their classification. 

Q6 - What are primary, secondary tertiary and quaternary carbon atoms? 

Q7 - What is the parent or principal chain in an organic compound? 

Q8 - Define primary suffix. Also give their names. 

Q9 - What is a Lassaigne's Extract? 

Instructions:

1. All questions are compulsory.

2. Please give the explanation for the answer where applicable.

Q1 - What is a homologous series? Explain with example. 

Q2 - What is an alkyl group? 

Q3 - Explain sp2 hybridization? 

Q4 - What do understand by sp hybridization? 

Q5 - Name the various systems in which organic compounds are named? 

Q6 - Write Resonance Structures of Nitrobenzene.

Q7 - Write a Short note on Electromeric Effect and Hyperconjucation. 

Q8 - How Organic Reaction can be classified. 

Q9 - Define Distillation and Differential Extraction. 

Q10 - Write test for Nitrogen and Sulphur. 

Q1 - What are isomers? Explain with example. (2 Marks)

Q2 - What is a sigma (s) bond?(1 Mark)

Q3 - What is the pi (p) bond? (1 Mark)

Q4 - Explain sp3 hybridisation in the terms of carbon atom. (1 Mark)

Q5 - What is the word root? Give example. (2 Marks)

Q6 - Define Metamerism and Position Isomerism. Give Examples. (3 Marks)

Q7 - What are Homolytic and Hetrolytic Fission? (3 Marks)

Q8 - Solve the following Problems:

A) During estimation of nitrogen present in an organic compound by Kjeldahl‘s method the ammonia evolved from 0.8 gm of nitrogen, neutralized 10 ml of 1 M . Find out the percentage of nitrogen in the compound.

B) In sulphur estimation, 0.160 gm of an organic compound gave 0.4820 gm of barium sulphate .What is the percentage of sulphur in the compound ? (5 Marks)

Q9 - Recognize the functional group present in the following compounds. (2 Marks)