Chem 161-2009 Homework 3rd week

Chem 161-2009 Homework 3rd week - Chem 161-2007 Homework...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chem 161-2007 Homework 3 rd Week 12. Which of the following names refer to actual substances that you might find in containers on a storeroom shelf? What do the other names represent? (a) magnesium (d) ammonia (b) methyl (e) ammonium (c) chloride (f) ethane (a) Yes (d) Yes (b) No; part of an organic compound (e) No; part of a salt (c) No; part of an inorganic compound (f) Yes 19. For which of the following is the molecular formula alone enough to identify the type of compound? For which must you have the structural formula? (a) an organic compound (d) an alkane (b) a hydrocarbon (e) a carboxylic acid (c) an alcohol (a) Yes; most molecular formulas that contain carbon are organic compounds. (b) The molecular formula, alone, will identify it. (c) The molecular formula, alone, won’t distinguish an alcohol from an ether, but the structural formula will. (d) The molecular formula, alone, will identify it. (e) Too complicated a molecule for the molecular formula, alone, to identify, but the structural formula will identify it. 67. Write structural and condensed structural formulas for each of the following organic compounds. (a) pentane (d) cyclobutane (b) butanoic acid (e) isobutane (c) 1-propanol (f) propionic acid (a) Pentane H H H H H H―C C C C C H H H H H H CH 3 (CH 2 ) 3 CH 3 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
(b) butanoic acid H H H O H―C C C C O H H H H CH 3 (CH 2 ) 2 CO 2 H (c) 1-propanol H H H H―C C C O H H H H CH 3 (CH 2 ) 2 OH (d) cyclobutane H H H―C C H H―C C H H H (CH 2 ) 4 2
Background image of page 2
(e) Isobutane H H H―C―H H H―C C C ―H H H H (CH 3 ) 3 CH (f) propionic acid H H O H―C C C O H H H CH 3 (CH 2 )CO 2 H 69. There are two carboxylic acids with the molecular formula C 4 H 8 O 2 . For each, (a) write a structural formula, showing all bonds to hydrogen atoms, (b) write a condensed structural formula, and (c) draw a line-angle formula. (d) What is the relationship between the two compounds? H H H O H―C C C C O H H H H CH 3 (CH 2 ) 2 CO 2 H 3
Background image of page 3

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

View Full DocumentRight Arrow Icon
H H H H―C C C H H C═O H O H (CH 3 ) 2 CHCO 2 H (c) Line angle diagram not drawn. (d) The two molecules are isomers. 71. Each of the following formulas belongs to one of the following classes of substances: straight-chain alkane, branched-chain alkane, cyclic alkane, hydrocarbon, alcohol, carboxylic acid, or inorganic compound. Match each formula with the term that identifies it most specifically.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 15

Chem 161-2009 Homework 3rd week - Chem 161-2007 Homework...

This preview shows document pages 1 - 5. Sign up to view the full document.

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