qoI0809_alkynes

qoI0809_alkynes - QOI 0809 alkynes Name_ ESSAY. Write your...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
QOI 0809 alkynes Name___________________________________ ESSAY. Write your answer in the space provided or on a separate sheet of paper. 1) Give the IUPAC name for (CH 3 ) 2 C(CH 2 CH 3 )C u CCH(CH 3 ) 2 . 2) Give the IUPAC name for HC u CCH 2 CH 2 CH 3 . 3) Give the IUPAC name for CH 3 CH 2 C u CCH(OH)CH 3 . 4) Give the IUPAC name for CH 3 CH U CHCH U CHC u CCH 3 . 5) Give the IUPAC name for BrCH 2 CH 2 C u CCH 2 CH 3 . 6) Draw an acceptable structure for acetylene. 7) Draw an acceptable structure for 3 - sec - butylhept - 1 - yne. 8) Draw an acceptable structure for ( S ) - 5 - phenyloct - 2 - yne. 9) Draw an acceptable structure for hepta - 3,6 - dien - 1 - yne. 10) Draw an acceptable structure for hex - 2 - yne. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 11) How many distinct terminal alkynes exist with a molecular formula of C 5 H 8 ? A) 1 B) 2 C) 3 D) 4 E) 5 11) 12) How many distinct internal alkynes exist with a molecular formula of C 6 H 10 ? A) 1 B) 2 C) 3 D) 4 E) 5 12) 13) The carbon - carbon triple bond of an alkyne is composed of __________. A) three σ bonds B) one σ bond and two π bonds C) two σ bonds and one π bond D) three π bonds 13) 14) In trans - hept - 4 - en - 2 - yne the shortest carbon - carbon bond is between carbons __________. A) 1 and 2 B) 2 and 3 C) 3 and 4 D) 4 and 5 E) 6 and 7 14) 15) Which of the following improperly describes the physical properties of an alkyne? A) insoluble in most organic solvents B) nearly insoluble in water C) boiling point nearly the same as an alkane with similar carbon skeleton D) less dense than water E) relatively nonpolar 15) 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ESSAY. Write your answer in the space provided or on a separate sheet of paper. 16) How many moles of water are produced when one mole of propyne undergoes complete combustion? 17) Why are terminal alkynes more acidic then other hydrocarbons? 18) Provide the structure of the major organic product(s) in the reaction below. 19) Provide the structure of the major organic product(s) in the reaction sequence below. CH 3 CH 2 C u CH 1. NaNH 2 2. PhCH 2 Br MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 20) Which of the species below is less basic than acetylide? A) CH 3 ONa B) CH 3 Li C) CH 3 MgBr D) both A and C E) all of the above 20) ESSAY. Write your answer in the space provided or on a separate sheet of paper. 21) Describe a qualitative, nonspectroscopic means for distinguishing terminal alkynes from internal ones. 22) 2 - Methylhex - 3 - yne can be prepared by the reaction of an alkynide with an alkyl halide. Does the better synthesis involve alkynide attack on bromoethane or on 2 - bromopropane? Explain your reasoning. 23) Provide the structure of the major organic product(s) in the reaction below.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/17/2010 for the course CHEM 101 taught by Professor Silva during the Spring '08 term at Binghamton.

Page1 / 22

qoI0809_alkynes - QOI 0809 alkynes Name_ ESSAY. Write your...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online