1) chlorides formed by chromium( can be more than one answer) a) Cr3Cl b) CrCl3 c) CrCl 2 d) CrCl4 2) oxides formed by chromium a) Cr3O2 b) Cr2O3 c) Cr3O d) Cr O 3) chlorides formed by lead a) PbCl 4 b) PbCl5 c) Pb3Cl d) Pb Cl 2 4) oxides formed by lead a) Pb O b) Pb2O3 c) Pb O 2 d) Pb3O2
1) chlorides formed by chromium( can be more than one answer) a) Cr3Cl b) CrCl3 c) CrCl 2 d) CrCl4 2) oxides formed by chromium a) Cr3O2 b) Cr2O3 c) Cr3O d) Cr O 3) chlorides formed by lead a) PbCl 4 b) PbCl5 c) Pb3Cl d) Pb Cl 2 4) oxides formed by lead a) Pb O b) Pb2O3 c) Pb O 2 d) Pb3O2
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
1) chlorides formed by chromium( can be more than one answer)
a) Cr3Cl
b) CrCl3
c) CrCl 2
d) CrCl4
2) oxides formed by chromium
a) Cr3O2
b) Cr2O3
c) Cr3O
d) Cr O
3) chlorides formed by lead
a) PbCl 4
b) PbCl5
c) Pb3Cl
d) Pb Cl 2
4) oxides formed by lead
a) Pb O
b) Pb2O3
c) Pb O 2
d) Pb3O2
Thanks so much!
Expert Solution
Step 1
1. Cr atomic no. is 24 and configuration of valence shell is 3d5 4s1. It exists in +2,+3,+4.
so chlorides of Cr are CrCl2, CrCl3, CrCl4 (unstable).
other options are not correct because Cr3Cl doesn't exit.
2. Oxides of Chromium
Cr2O3, CrO,
All other oxidation state does not exit.
3. Pb with chlorine only show +2 oxidation state due to inert pair effect.
Hence PbCl2
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