2. In the molecule shown, what are the expected geometries around the indicated carbon atom and nitrogen, respectively? (A) tetrahedral and trigonal pyramidal (B) trigonal planar and angular (C) angular and linear (D) tetrahedral and angular N-HI 3. In the chemical species shown, what are the formal charges for the nitrogen atom and the oxygen atoms labeled a and b, respectively? Note: all lone pair electrons are shown. a O=N-O: (A) +1, +1, -1 4. How many o and N 4 N (A) 8 and 2 (B) 0, 0, -1 (C) 0, +1, -1 bonds, respectively, exist in the molecule shown? (B) 6 and 3 alor? (D) +2,0, -1 (C) 7 and 4 (D) 10 and 4

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hi i was confused on these problems hopefully you could help. Thank you

2. In the molecule shown, what are the expected geometries around the indicated carbon atom and nitrogen, respectively?
(A) tetrahedral and trigonal pyramidal
(B) trigonal planar and angular
N-H
(C) angular and linear
(D) tetrahedral and angular
3. In the chemical species shown, what are the formal charges for the nitrogen atom and the oxygen atoms labeled a and b,
respectively? Note: all lone pair electrons are shown.
a O=N-O:
(A) +1, +1, -1
4. How many o and
N
➜
N
(B) 0, 0, -1
(C) 0, +1,-1
bonds, respectively, exist in the molecule shown?
(B) 6 and 3
(C) 7 and 4
(A) 8 and 2
5. Which compound is nonpolar?
(A) (R)-2-chlorobutane
(B) (Z)-1-chloropropene
6. How many constitutional isomers exist for C4Hs?
(A) 3
(D) 6
(C) 5
(B) 4
(D) +2,0, -1
(D) 10 and 4
(C) cis-1,3-dichlorocyclobutane (D) (E)-1,2-dichloroethene
Transcribed Image Text:2. In the molecule shown, what are the expected geometries around the indicated carbon atom and nitrogen, respectively? (A) tetrahedral and trigonal pyramidal (B) trigonal planar and angular N-H (C) angular and linear (D) tetrahedral and angular 3. In the chemical species shown, what are the formal charges for the nitrogen atom and the oxygen atoms labeled a and b, respectively? Note: all lone pair electrons are shown. a O=N-O: (A) +1, +1, -1 4. How many o and N ➜ N (B) 0, 0, -1 (C) 0, +1,-1 bonds, respectively, exist in the molecule shown? (B) 6 and 3 (C) 7 and 4 (A) 8 and 2 5. Which compound is nonpolar? (A) (R)-2-chlorobutane (B) (Z)-1-chloropropene 6. How many constitutional isomers exist for C4Hs? (A) 3 (D) 6 (C) 5 (B) 4 (D) +2,0, -1 (D) 10 and 4 (C) cis-1,3-dichlorocyclobutane (D) (E)-1,2-dichloroethene
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