kundan kumar MP Board Class 12th Chemistry Solutions Chapter 15 Polymers MP Board Class 12th Chemistry Solutions Chapter 15 Polymers NCERT Intext Exercises Question 1. What are polymers ? Answer: Polymers are high molecular mass substances (103-107u) formed by the combi-nation of a large number of simple molecules. They are also called macro molecules. For example, polyethene, … Read more
MP Board Class 12th Chemistry Solutions Chapter 14 Biomolecules MP Board Class 12th Chemistry Solutions Chapter 14 Biomolecules NCERT Intext Exercises Question 1. Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain. Answer: Benzene and cyclohexane are neither polar nor possess – OH … Read more
MP Board Class 12th Chemistry Solutions Chapter 13 Amines MP Board Class 12th Chemistry Solutions Chapter 13 Amines NCERT Intext Exercises Question 1. Classify the following amines as primary, secondary or tertiary: (iii) (C2H5)2CHNH2 (iv) (C2H5)2NH. Answer: Primary (1°) Tertiary (3°) Primary (1°) Secondary (2°). Question 2. (i) Write structures of different isomeric amines corresponding … Read more
MP Board Class 12th Chemistry Solutions Chapter 12 Aldehydes, Ketones and Carboxylic Acids MP Board Class 12th Chemistry Solutions Chapter 12 Aldehydes, Ketones and Carboxylic Acids NCERT Intext Exercises Question 1. Write the structures of the following compounds: (i) a-Methoxypropionaldehyde (ii) 3-HydroxybutanaI (iii) 2-Hydroxycyclopentane carbaldehyde (iv) 4-Oxopentanal (v) Di -sec. butyl ketone (vi) 4-Fluoroacetophenone. Answer: … Read more
MP Board Class 12th Chemistry Solutions Chapter 11 Alcohols, Phenols and Ethers MP Board Class 12th Chemistry Solutions Chapter 11 Alcohols, Phenols and Ethers NCERT Intext Exercises Question 1. Classify the following as primary, secondary and tertiary alcohols : Answer: (i) 1°, (ii) 1°, (iii) 1°, (iv) 2°, (v) 2°, (vi) 3°. Question 2. Identify … Read more
MP Board Class 12th Chemistry Solutions Chapter 10 Haloalkanes and Haloarenes MP Board Class 12th Chemistry Solutions Chapter 10 Haloalkanes and Haloarenes NCERT Intext Exercises Question 1. Write structures of the following compounds : (i) 2-Chloro-3-methylpentane (ii) 1-Chloro-4-ethylcyclohexane (iii) 4-tert. ButyI-3-iodoheptane (iv) 1,4-Dibromobut-2-ene (v) 1-Bromo-4-sec. buty1-2-methylbenzene. Answer: Question 2. Why is sulphuric acid not used … Read more
MP Board Class 12th Chemistry Solutions Chapter 9 Coordination Compounds MP Board Class 12th Chemistry Solutions Chapter 9 Coordination Compounds NCERT Intext Exercises Question 1. Write the formulas for the following co-ordination compounds : (i) Tetraamminediaquacobalt (III) chloride (ii) Potassium tetracyanonickelate (II) (iii) tris (ethane-1,2-diamine) chromium (III) chloride (iv) Amminebromidochloridonitrito-N- platinate(II) (v) Dichlorido 6/s(ethane-1,2-diamine) platinum … Read more
MP Board Class 12th Chemistry Solutions Chapter 8 The d-and f-Block Elements MP Board Class 12th Chemistry Solutions Chapter 8 The d-and f-Block Elements NCERT Intext Exercises Question 1. Silver atom has completely filled d-orbitals (4d10) in its ground state. How can you say that it is a transition element? Answer: Silver exhibits +2 oxidation … Read more
MP Board Class 12th Chemistry Solutions Chapter 7 The p-Block Elements MP Board Class 12th Chemistry Solutions Chapter 7 The p-Block Elements NCERT Intext Exercises Question 1. Why are.pentahalides more covalent than trihalides ? Answer: Higher the positive oxidation state of central atom, it will have more polarising power which, in turn will increase the … Read more
MP Board Class 12th Chemistry Solutions Chapter 6 General Principles and Processes of Isolation of Elements MP Board Class 12th Chemistry Solutions Chapter 6 General Principles and Processes of Isolation of Elements NCERT Intext Exercises Question 1. Which of the ores mentioned in Table 6-1 ? Can be concentrated by mag-netic separation method ? Answer: … Read more