Practice Final - Practice Final Exam Each of the following...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Practice Final Exam 1. Each of the following species contains two π bonds EXCEPT A) O 2 B) HCCH C) CO 2 D) CN - E) N 2 2. Which of the following species is(are) planar? (i) CO 3 2- (ii) XeF 4 (iii) H 2 NNH 2 A) (i) only B) (i) and (ii) only C) (i) and (iii) only D) (ii) and (iii) only E) (i), (ii), and (iii) 3. In diatomic oxygen (O 2 ), the highest energy molecular orbital that is occupied by at least one electron is A) σ 2p B) π 2p C) σ * 2p D) π * 2p E) σ * 2s 4. A CN 2 2- ion has a structure that is best described as A) bent (angular) B) linear C) tetrahedral D) pyramidal E) planar 5. The best answer to report for is: (15.415 - 14.515) 3.465 + 0.0402597 A) 0.30000 B) 0.3000 C) 0.300 D) 0.30 E) 0.3
Background image of page 1

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

View Full DocumentRight Arrow Icon
6. Which of the following is an example of a chemical change? A) iodine sublimating B) alcohol boiling C) sodium chloride melting D) silver tarnishing E) sucrose dissolving 7. Consider the unbalanced chemical reaction KHCO 3 ( s ) Æ K 2 CO 3 ( s ) + CO 2 ( g ) + H 2 O( l ) How many moles of potassium carbonate will be produced if 2.00 moles of potassium hydrogen carbonate are heated? A) 0.250 B) 0.500 C) 1.00 D) 2.00 E) 4.0 8. What is the oxidation number of : (i) Cr in NaCrO 2 ; (ii) C in CaC 2 O 4 A) (i) +3 ; (ii) +2 B) (i) +4 ; (ii) +3 C) (i) +5 ; (ii) +4 D) (i) +2 ; (ii) +3 E) (i) +3 ; (ii) +3 9. Which of the following chemical reactions is an oxidation-reduction reaction? (i) Zn( s ) + S( s ) Æ ZnS( s ) (ii) H 2 SO 4 + 2NaOH Æ Na 2 SO 4 + 2H 2 O (iii) CH 4 + O 2 Æ CO 2 + 2 H 2 O A) (i) only B) (ii) only C) (iii) only D) (i) and (iii) only E) (ii) and (ii) only 10. Which molecule has a permanent dipole moment? A) SiCl 4 B) S=C=O C) H 3 C-CH 3 D) SF 6 E) benzene (C 6 H 6 ) ,
Background image of page 2
11. What is the partial pressure of nitrogen in a container that contains 2.0 mol of oxygen, 3.0 mol of nitrogen, and 1.0 mol of carbon dioxide when the total pressure is 900. torr? A) 150 mm Hg B) 200 mm Hg C) 300 mm Hg D) 450 mm Hg E) 600 mm Hg 12. Which does NOT obey the Octet Rule? A)
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/11/2008 for the course CHEM 130 taught by Professor Jadwigasipowska during the Fall '07 term at University of Michigan.

Page1 / 9

Practice Final - Practice Final Exam Each of the following...

This preview shows document pages 1 - 4. Sign up to view the full document.

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