NCERT Class 10 Science Chapter 4 Carbon and Its Compounds Solutions
NCERT Class 10 Science Chapter 4 Carbon and Its Compounds Solutions NCERT TEXTBOOK Solutions for Class 10 Science Question 1 Ethane, with the molecular formula C 2 H 6 has (a) 6 covalent bonds (b) 7 covalent bonds (c) 8 covalent bonds (d) 9 covalent bonds Answer: (b) 7 covalent bonds. Question 2 Butanone is a four-carbon compound with the functional group (a) carboxylic acid (b) aldehyde (c) ketone (d) alcohol Answer: (c) Ketone. Question 3 While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (a) the food is not cooked completely. (b) the fuel is not burning completely. (c) the fuel is wet. (d) the fuel is burning completely. Answer: (b) The fuel is not burning completely. Question 4 Explain the nature of the covalent bond using the bond formation in CH 3 Cl. Answer: Covalent bond is formed by sharing of electrons so that the combining atoms complete their outermost shell. In CH 3 Cl : C = 6, H = 1 and Cl = 17 And their electronic configuration...