Chapter 6 Rural Development
Chapter 6 Rural Development
Chapter 5 Human Capital Formation in India
Chapter 5 Human Capital Formation in India
Chapter 4 Poverty
Chapter 4 Poverty
Chapter 3 Liberalisation, Privatisation and Globalisation – An Appraisal
Chapter 3 Liberalisation, Privatisation and Globalisation – An Appraisal
Chapter 2 Indian Economy 1950 – 1990
Chapter 2 Indian Economy 1950 – 1990
Chapter 1 Indian Economy on the Eve of Independence
Chapter 1 Indian Economy on the Eve of Independence
Chapter 14 Environmental Chemistry
Chapter 14 Environmental Chemistry Question 1. Define environmental chemistry. Answer: Environmental chemistry is the branch of science which deals with the chemical changes in the environment. It includes our surroundings such as air, water, soil, forests, sunlight etc. Question 2. Explain tropospheric pollution in 100 words. Answer: Tropospheric Pollution Tropospheric pollution is caused by both […]
Chapter 13 Hydrocarbons
Chapter 13 Hydrocarbons Question 1. How will you account for the formation of ethane during chlorination of methane ? Answer: The chlorination of methane proceeds by free radical mechanism. The methyl free radicals (CH3) are converted to ethane during chain termination step. H3C˙ + C˙H3 → CH3—CH3 Chlorination. In the chlorination of methane, all the four hydrogen atoms […]
Chapter 12 Organic Chemistry : Some Basic Principles and Techniques
Chapter 12 Organic Chemistry : Some Basic Principles and Techniques Question 1. What are the hybridised states of carbon atoms in the following compounds ? (1) CH2=C=O (2) CH3CH=CH2 (3) (CH3)2 C=O (4) CH=CH2 CN (5) C6H6 Answer: Question 2. Indicate sigma (σ) and pi (Π) bonds in the following molecules : (1) C6H6 (2) C6H12 (3) CH2C12 (4) CH3NO2 (5) HCONHCH3 (6) CH2=C=CH2Answer: Question 3. […]
Chapter 11 The p-Block Elements
Chapter 11 The p-Block Elements Question 1. Discuss the pattern of variation in oxidation states of : (1) B to Tl (2) C to Pb. Answer: (1) B to Tl. The common oxidation states are +1 and +3. The stability of + 3 oxidation state decreases from B to Tl. + 1 oxidation state increases from […]