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Question
For the addition polymer poly(vinyl chloride) shown below, what is the chemical structure of the monomer?
A)
B)
C)
D)
E)
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The overall shape of a protein is maintained by
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B) ionic bonds.
C) dipole"dipole bonding.
D) covalent bonds.
E) all of these
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B) Fibrous proteins tend to form long, water-insoluble fibers, while globular proteins tend to form compact, water-soluble shapes.
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What is the hybridization of the carbon in the aldehyde functional group?
A) sp2
B) sp3
C) sp
D) sp3d
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How many structural isomers possessing the alcohol functional group have the molecular formula C4 H10 O?
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B) 4
C) 1
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E) 2
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What is the IUPAC name for the molecule given below? A) trans-3-hexene
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C) cis-3-pentene
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Q:
Which of the following statements concerning aromatic hydrocarbons is/are correct?
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2) The pi electrons of benzene are delocalized over the entire carbon ring.
3) Aromaticity leads to decreased stability relative to alkenes.
A) 1 only
B) 2 only
C) 3 only
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What is the expected major product from the reaction of 2-methyl-2-pentene with HCl?A) B) C) D) E)
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Which of the following is a geometric isomer of the structure given below?A) B) C) D) E)
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Which of the following best describes the bonding in ethylene, CH2=CH2?
A) The pi electrons are localized above and below a plane defined by the carbon and hydrogen atoms.
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E) B and C.
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Which of the following is a possible product of the chlorination of butane in the presence of light?
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What is the molecular formula of a cyclic alkane with 6 carbon atoms?
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Four of the following compounds are structural isomers. Which one is not?A) B) C) D) E)
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B) C3H7Cl.
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D) C4H10.
E) C2H2Cl2.
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Which of the following statements is true concerning the two compounds 2,3-dimethylpentane and 2,4-dimethylpentane?
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B) Because the two compounds are structural isomers, they should have identical chemical properties.
C) Because the two compounds are structural isomers, they should have identical physical properties.
D) Because the two compounds are enantiomers, they should rotate polarized light in opposite directions.
E) Because the two compounds are geometric isomers, one should be cisand the other should be trans.
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A) 3 electrons
B) 4 electrons
C) 1 electron
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Transition metals can be distinguished from main-group metals by the fact that
A) main-group metals have only +1 or +2 oxidation states.
B) transition metals have higher relative atomic masses than main-group metals.
C) transition metals have a greater tendency to form colored compounds than main-group metals.
D) main-group metals have higher relative atomic masses than transition metals.
E) only the main-group metals can form complex ions.
Q:
Which of the following is not a transition-metal?A) cobaltB) rutheniumC) rhodiumD) vanadiumE) aluminum
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Which of the following statements concerning crystal field theory is incorrect?A) In an isolated metal ion the d-orbitals have identical energies.B) In low spin octahedral complexes the electrons are concentrated in the dxy, dxz, and dyzorbitals.C) High spin complexes have the minimum of unpaired electrons.D) Strong bonding ligands favor a larger crystal field splitting () than weak bonding ligands.E) Low spin complexes are favored when the electron pairing energy (P) is less than the crystal field splitting ().
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Which of the following salts would not be expected to be colored in aqueous solution?A) CoCl2 B) FeCl2C) CuCl2D) CuClE) CrCl3
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Which of the following salts would not be expected to be colored in aqueous solution?A) NiCl2B) CuCl2C) CrCl2D) TiCl3E) CdCl2
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Which of the metal ions in the following complex ions has a d5electron configuration?A) V(H2O)62+B) RhCl64-C) Co(CN)4-D) Fe(CN)63-E) Mo(NH3)63+
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Which of the following high-spin complexes has the most unpaired electrons?
A) [Ti(H2O)6]2+
B) [V(H2O)6]3+
C) [Fe(H2O)6]3+
D) [Cr(H2O)6]3+
E) [Sc(H2O)]63+
Q:
Which of the following compounds can exhibit optical activity?
A) [Co(NH3)4Cl2]Cl
B) [Co(NH2CH2CH2NH2)3]Cl3
C) Na2[CoCl4]
D) [Co(NH3)6]Cl3
E) Cr(CO)6
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How many optical isomers do the cisand transisomers of [Co(en)2Br2]+have?
A) cis, 1 and trans, 1
B) cis, 2 and trans, 0
C) cis, 0 and trans, 0
D) cis, 0 and trans, 2
E) cis, 2 and trans, 2