Chapter 14 Environment Chemistry (पर्यावरणीय रसायन) पाठ के अन्तर्गत दिए गए प्रश्नोत्तर प्रश्न 1. पर्यावरणीय रसायन शास्त्र को परिभाषित कीजिए। उत्तर विज्ञान की वह शाखा जिसके अन्तर्गत पर्यावरणीय प्रदूषण, और पर्यावरण…
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…
Chapter 14 Environmental Chemistry
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…
Chapter 13 Hydrocarbons
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)…
Chapter 12 Organic Chemistry : Some Basic Principles and Techniques
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…
Chapter 11 The p-Block Elements
Chapter 10 The s-Block Elements Question 1. What are the common physical and chemical features of alkali metals ? Answer: Property Li Na K Rb Cs Fr Atomic number 3…
Chapter 10 The s-Block Elements
Chapter 9 Hydrogen Question 1. Justify the position of hydrogen in the periodic table on the basis of its electronic configuration. Answer:Position of Hydrogen in the Periodic Table In the…
Chapter 9 Hydrogen
Chapter 8 Redox Reactions Question 1. Assign oxidation numbers to the underlined elements in each of the following species ; (a) NaH2PO4 (b) NaHSO4 (c) H4P2O7 (d) K2MnO4 (e) CaO2…
Chapter 8 Redox Reactions
Chapter 7 Equilibrium Question 1. A liquid is in equilibrium with its vapours in a sealed container at a fixed temperature. The volume of the container is suddenly increased, (i)…
Chapter 7 Equilibrium
Chapter 6 Thermodynamics Question 1. Choose the correct answer. A thermodynamic state function is a quantity (i) used to determine heat changes (ii) whose value is independent of path (iii)…