The formal charges on the nitrogen and oxygen in the following structures are, respectively A. +1,...

Question

The formal charges on the nitrogen and oxygen in the following structures are, respectively A. +1, -1 B. 0, -1 C. +1, 0 D. 0, 0 2. Which of the following species has(have) a linear geometry? I. CO2 II. NO2 + III. NO2¯ A. only I B. only II C. I and II D. I, II, and III 3. The sp3 orbitals of carbon in CH4 are formed from the A. three 2p orbitals. B. 2s and one of the 2p orbitals. C. 2s and two of the 2p orbitals. D. 2s and the three 2p orbitals. 4. What is the Cl—C—Cl bond angle in CCl4? A. 60o B. 90o C. 109.5o D. 120o
	
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Student: ___________________________________________________________________________
1. The formal charges on the nitrogen and oxygen in the following structures are, respectively
    
A. +1, -1
B. 0, -1
C. +1, 0
D. 0, 0
 
2. Which of the following species has(have) a linear geometry?
I. CO
2
+
II. NO
2
III. NO¯  
2
A. only I
B. only II
C. I and II
D. I, II, and III
 
3
3. The sp orbitals of carbon in CHareformedfromthe  
4
A. three 2p orbitals.
B. 2s and one of the 2p orbitals.
C. 2s and two of the 2p orbitals.
D. 2s and the three 2p orbitals.
 
4. What is the Cl—C—Cl bond angle in CCl?  
4
o
A. 60
o
B. 90
o
C. 109.5
o
D. 120
 
5. Calculate the standard enthalpy change for the reaction
2C H (l) + 17O (g) 16CO(g) + 18H O(l).
 XXXXXXXXXX
Given: 2C H (l) + 25O (g) 16CO (g) + 18H O(l)H° = -11,020 kJ/mol
 XXXXXXXXXX
2CO(g) + O (g) 2CO (g)H°=-566.0kJ/mol  
2 2
A. 10,450 kJ/mol
B. 6,492 kJ/mol
C. 15,550 kJ/mol
D. -6,492 kJ/mol
E XXXXXXXXXXkJ/mol
 
6.
Given the thermochemical equation 2SO +O  2SO ,H° = -198 kJ/mol, what is the standard
2 2 3 rxn
enthalpy change for the decomposition of one mole of SO?  
3
A. 198 kJ/mol
B. -99 kJ/mol
C. 99 kJ/mol
D. 396 kJ/mol
E XXXXXXXXXX.
Pentaborane B H (s) burns vigorously in O to give B O (s) and H O(l). CalculateH° for the
 XXXXXXXXXXrxn
combustion of 1 mol of B H .H° [B O (s)] = -1,273.5 kJ/mol;H° [B H (s)] = 73.2 kJ/mol;
5 9 f 2 3 f 5 9
H° [HO(l)]=-285.8kJ/mol.  
f 2
A. -1,2735 kJ/mol
B. -4,543 kJ/mol
C. -18,170 kJ/mol
D. -9,086 kJ/mol
E. -8,448 kJ/mol
 
8. TheLewisdotsymbolforaleadatomis:  
A. 
B. 
C. 
D. 
E. 
 
9. Whichofthesecompoundsismostlikelytobeionic?  
A. KF
B. CCl
4
C. CS
2
D. CO
2
E. ICl
 
10.Whichofthesecompoundsismostlikelytobecovalent?  
A. KF
B. CaCl
2
C. SF
4
D. Al O
2 3
E. CaSO
4
 
11.Whichofthefollowingelementsisthemostelectronegative?  
A. S
B. Ru
C. Si
D. Te
E. Cs
 
12. The total number of lone pairs in NClis:  
3
A. 6
B. 8
C. 9
D. 10
E. 13
 
13. The Lewis structure for CSis:  
2
A. 
B. 
C....

Robert · Accepted Answer

Answers for your quiz
1) A 
2) C 
3) D 
4) C 
5) E 
6) C 
7) B 
8) C 
9) A 
10) C 
11) A 
12) D 
13) C 
14) E 
15) B 
16)  D 
17) C 
18) C 
19) A 
20) D 
21) C 
22) D 
23) E 
24) D 
25) D 
26) B 
27) D 
28) A 
29) A 
30) B 
31) B 
32) E 
33) D 
34) E 
35) C 
36) E 
37) A 
38) D 
39) A 
40) D 
41) D 
42) True 
43) B 
44) A 
45) B 
46) E 
47) E 
48) A 
49) A 
50) C

The formal charges on the nitrogen and oxygen in the following structures are, respectively A. +1, -1 B. 0, -1 C. +1, 0 D. 0, 0 2. Which of the following species has(have) a linear geometry? I. CO2...

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