Which charge(s) for the N2 molecule would give a bond order of 1.5? (Select all that apply.)
−4
−3
−2
−1
+1
+2
+3
+4
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Which charge(s) for the N2 molecule would give a bond order of 1.5? (Select all that...
Which charge(s) on an O2 ion would give a bond order of 2.5? (consider MO theory) O-1 O +1 O two of these 0 -2 Which of the following species has a trigonal bipyramid structure? O NH3 O IFs O none of these OPCI O 13
In the molecule below, which carbons have bond angles of 180∘?
Select all that apply.
A condensed structural formula for C H subscript 2 C H C H
subscript 2 C C H. The numbers 1 through 5 are above the carbon
atoms in sequence from left to right.
Select all that apply:
1
2
3
4
5
1 2 3 45 CH2CHCH CCH
Question 5 Which bond(s) allow(s) free rotation? Select ALL that apply. HH N 0- Bond 1 Bond 3 Bond 2
Which of these best descibe formal charge? Select all that apply. The charge that an atom in a molecule or ion would have if all atoms had the same electronegativity Can be used to help determine the most reasonable distribution of electrons in a molecule or ion The diference between the number of electrons around an atom in the free state and the number of electrons assigned to the atom in the Lewis structure an atom in a chemical compound...
Question 5 1 pts Which bond(s) allow(s) free rotation? Select ALL that apply. H H :0: 2 H=C=c———0 CH Bond 3 Bond 1 Bond 2 Question 4 1 pts What are the hybridizations of atoms 1, 2, and 3, respectively in the structure below? 10: C2 sp2 sp2 03 sp sp sp spº sp sp2 sp sp3 ОЕ OD
Consider the carbon molecule and the C2+ molecular ion: (a) Give the bond order of each species. If a fraction is needed, use a decimal number. Bond order C2 = Bond order C2+ = (b) Predict which species should be paramagnetic. Is C2 paramagnetic? Is C2+ paramagnetic? (c) Predict which species has the greater bond dissociation energy. The species with the largest bond dissociation energy is: a. C2 b. C2+
Consider the fluorine molecule and the Fa molecular ion: (a) Give the bond order of each species. If a fraction is needed, use a decimal number. Bond order F2 = Bond order F2 = (6) Predict which species should be paramagnetic. Is F2 paramagnetic? Yes Is F2 paramagnetic? No (c) Predict which species has the greater bond dissociation energy. The species with the largest bond dissociation energy is: a a. F2 b. F2
Refer to the schematic below. Which statement(s) describe(s)
mistakes in this DNA structure? (Select all that apply.)
A. In this drawing of two deoxyribonucleotides in a
phosphodiester bond, there should be a double bond in each
phosphate group.
B. In this drawing of two deoxyribonucleotides in a
phosphodiester bond, the phosphate of the top nucleotide has enough
O atoms.
C. In this drawing of two deoxyribonucleotides in a
phosphodiester bond, the number of O atoms in the bottom phosphate
is...
Which atom(s) in the molecule CH3OCH3 will display tetrahedral electron-pair geometry? (Select all that apply) -O -C -H -none of the above
What is the bond order for the NO (nitrogen oxygen) bond in NO2−? 1.5 1 3 4/3 2