Chemistry Class 11

Chapter 16 Chemistry in Everyday Life 1. Choose the correct option Question A. Oxidative Rancidity is …………….. reaction a. addition b. substitution c. Free radical d. combination Answer: c. Free…

Chapter 15 Hydrocarbons 1. Choose correct options Question A. Which of the following compound has the highest boiling point? a. n-pentane b. iso-butane c. butane d. neopentane Answer: a. n-pentane…

Chapter 14 Basic Principles of Organic Chemistry 1. Answer the following : Question A. Write condensed formulae and bond line formulae for the following structures. Answer: Question B. Write dash…

Chapter 13 Nuclear Chemistry and Radioactivity 1. Choose the correct option. Question A. Identify nuclear fusion reaction Answer: Among the given options, reactions (i) and (ii) represent nuclear fusion reactions…

Chapter 12 Chemical Equilibrium 1. Choose the correct option Question A. The equilibrium, H2O(l) ⇌ H+(aq) + OH–(aq) is a. dynamic b. static c. physical d. mechanical Answer: a. dynamic Question B. For…

Chapter 11 Adsorption and Colloids 1. Choose the correct option. Question A. The size of colloidal particles lies between a. 10-10 m and 10-9 m b. 10-9 m and 10-6 m c. 10-6 m and…

Chapter 10 States of Matter 1. Select and write the most appropriate alternatives from the given choices. Question A. The unit of viscosity is a. dynes b. newton c. gram…

Chapter 9 Elements of Group 13, 14 and 15 1. Choose the correct option. Question A. Which of the following is not an allotrope of carbon? a. buckyball b. diamond…

Chapter 8 Elements of Group 1 and 2 1. Explain the following Question A. Hydrogen shows similarity with alkali metals as well as halogens. Answer: The electronic configuration of hydrogen…

Chapter 7 Modern Periodic Table 1. Explain the following Question A. The elements Li, B, Be and N have the electronegativities 1.0, 2.0, 1.5, and 3.0, respectively on the Pauling…