excellup Class 10 Science Carbon and Its Compounds NCERT Exercise SolutionPart 1Question 1: Ethane, with the molecular formula C2H6 has6 covalent bonds 7 covalent bonds 8 covalent bonds 9 covalent bondsAnswer: (b) 7 covalent bondsQuestion 2: Butanone is a four-carbon compound with the ...