Question

3) A compound that is composed of only carbon and hydrogen is known as a(n): A) hydrocarbon B) isomer C) homolog D) carbohydrate 4) How many chiral carbon atoms are in this molecule? Он A) 0 B) 1 C) 3 D) 2 5) The compound CH3(CH2)4CH3 is called: A) heptane B) butane C) pentane D) hexane 6) What functional groups are present in the following structure? СHз-с"с-СH2ОН A) A ketone and an alkyne An aldehyde and a ketone B) An alcohol and an alkyne D) Alcohol and an alkene 7) When two compounds are made up of the same number and kind of atoms, but differ in their molecular structure they are known as: A) homologs B) hydrocarbons C) isotopes D) isomers 8) The name of the following alkyl group is: CHзCH2 A) isopropyl B) ethyl C) propyl D) methyl

Answer 1

3) A compound that is composed of only carbon and hydrogen is known as a(n): A) hydrocarbon B) isomer C) homolog D) carbohydrate 4) How many chiral carbon atoms are in this molecule? No C in the molecule have 4 different chiral centers, A) O B) 1 D) 2 5) The compound CH3(CH2)4CH3 is called: 6C straight chain hydrocarbon so hexane A) heptane B) butane C) pentane D) hexane 6) Whet functional groups are present in the following structure? CH3cc-CH2OH alcohol A) A ketone and an alkyne B) An alcohol and an alkyne C) An aldehyde and a ketone D) Alcohor and an alkene 7) When two compounds are made up of the same number and kind of atoms, but differ in their molecular structure they are known as: A) homologs B) hydrocarbons C) isotopes D) isomers 8) The name of the following alkyl group is: CH3CH2- A) isopropyl B) ethyl C) propyl D) methyl 7) if compounds contain same molecular formula but different structures are called isomers. 8) 2 C alkyl grooup so it is called ethyl