QUESTION 3 Which of these structures represent the same compound? CH3CHCH₂CH₂CH3 CH3 CH3CH₂CH₂CHC H3 CH,CHỊCHCH,CHy (A) (B) A and B are the same compound. A and C are the same compound. B and C are the same compound All three structures represent the same compound. O The three structures represent three different compounds. CH3 (C) CH3

QUESTION 3 The IUPAC name for the following compound is: CH3 CH3-C- CH,CH CHCH, CH;CH3 CH,CH3 2,5-diethyl-2-methylhexane 2-ethyl-2,5-dimethylheptane 3,3,6-trimethyloctane none of these

QUESTION 2 Which of these structures represents an improper structure (one in which one or more atoms does not have the normal number of bonds)? CH CHCHCHCHCH, (1) H₂C 000000 CH3 (1) (2) (3) (4) (5) (6) CH₂ H C -CH3 CH₂-CH (2) _CH CH CH сн сненансн CH CH CHCHCHCH снаснасненаено CH

The structures below are H. H CH₂ H H CH₂ A) not isomers B) conformational isomers C) cis-trans isomers D) structural isomers E) both B and D H H H CH3 H CH3

How would you name the following compound?

Question 16 Which of the following compounds are constitutional isomers? A) I and II OE) II and IV OC) III and IV O B) II and III OD) I and IV ||| IV

Problem 2.12 Which cycloalkanes show cis,trans isomerism? For each that does, draw both isomers. (a) (b) (c)