Q21. Which sequence below represents the proper order of decreasing bond order? A. single triple > double single > triple C. triple double > triple double > single B. single D. double
Q21. Which sequence below represents the proper order of decreasing bond order? A. single triple > double single > triple C. triple double > triple double > single B. single D. double
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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Q 21 please
Transcribed Image Text:Q17. Which of the following reactions is an oxidation-reduction reaction?
A. 2Na+ 2H₂O- 2NaOH + H₂
C. H₂S+ Ca(OH)2 -
1 CaS + 2H₂O
Q18. The electron geometry and hybridization of BrO3¹ respectively are?
A. Trigonal planer, sp²
C. Trigonal pyramidal, sp³
B. Trigonal planer, sp³
D. Tetrahedral, sp³
Q19. Determine the empirical formula of a compound contains 28 g N (14.0 g/mol) and 80 g 0 916.0 g/mol)?
A. NO
D. N₂O4
A. single double > triple
C. triple double > single
B. N₂O3
C. N₂O5
Q20. Elements with the lowest atomic size values are found in the -------- corner of the periodic table
A. Lower left
B. Upper right
C. lower right
D. Upper left
Q21. Which sequence below represents the proper order of decreasing bond order?
triple > double
single > triple
Q22. The hybridization of iodine in ICl3 is
A. sp²
B. sp³
B. Na₂S +CaCl2
D. NH4OH + HBr
A. Pauli exclusion principle
C. Building up principle
Q25: The SO3²- ion has how many total valence electrons?
A. 24
B. 26
Q26. The following electron configuration violates
2s
个
B. single
D. double
C sp³d
1-0-1-7
Q23. When you complete the Lewis structure for the molecule:
This molecule has ----- single bonds ----- and ----- triple bonds.
A. 3, 8, 1
B. 3, 8, 2
C. 8, 3, 1
D. 2, 10, 2
Q24. Calculate the number of moles of Fe that are produced when 0.20 mol of Al2O3 is produced in the
following reaction.
2Al(s) + 3FeO(s)→3Fe(s) + Al2O3(s)
B. 0.40 mol
D. 0.60 mol
C. 0.30 mol
A. 0.20 mol
↑↓
CaS + 2NaCl
NH4Br + H₂O
C. 32
2p
↑↓
D. sp³d²
T
D. 36
↑↓
B. Hund's rule
D. Does not violate any rule
Expert Solution
Step 1
21) The number of bonds between two atoms in a molecule is known as Bond order.
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