1. Which of the following statements about carbon is incorrect? a. A carbon atom has a bonding capacity of 4. b. Carbon forms covalent bonds by sharing 4 pairs of electrons. c. Because carbon’s atomic number is 6, it is able to form 6 stable bonds. d. Carbon has the ability to form stable single, double, and triple bonds. 2. Decide whether each statement is true (T) or false (F). Place your answer in the blank space given. (3 marks) a. A hydrocarbon contains only atoms of carbon and hydrogen. b. Alkanes have the general formula C,Hz. c. Ethene is an example of an unsaturated hydrocarbon. d. A continuous-chain alkane has one or more carbon branches attached to the parent chain. e. In a Lewis dot diagram of a hydrocarbon, each carbon-carbon and carbon-hydrogen bond is represented by a line segment. f. Any branch within branched alkanes is called an alkyl group. 3. What is the chemical name for the liquid fuel component C10H220)? a. butane b. decane c. nonane d. methane 4. What is the name of the hydrocarbon on the right? a. 3-ethyl-2-methylhexane b. 2-methyl-3-ethylhexane c. 5-methyl-4-ethylhexane d. 4-ethyl-5-methylhexane H-C-H H HHHH H-ċ-ċ-ċ-ċ-ċ-Ċ 11 | 1 Η Η H-C-H C-H 1. H H H-C-H
Answer 1:- Because carbon’s atomic number is 6,it is able to
form 6 stable bonds.
They have general formula
Answer 3:- Decane
Answer 4:- 2-methy-3-ethyl Hexane