1.A bimolecular nucleophilic substitution reaction is abbreviated to ________. S

1) SN2 2) filled, empty 3)an injector 4)hexanenitrile 5)there are two unpaired electrons in the MO electron configuration of O2

ID: 902559 • Letter: 1

Question

1.A bimolecular nucleophilic substitution reaction is abbreviated to ________.

Select one: A. NS1 B. BNS C. NS2 D. SN1 E. SN2

2.In molecular orbital theory, the 1s orbital is ________ and the 1s* orbital is ________ in the H2 molecule.

Select one: A. filled, half-filled B. half-filled, filled C. filled, empty D. filled, filled E. empty, filled

3.Which of the following is not a basic component of a spectrophotometer?

Select one: A. a light source B. an injector C. a monochromator D. a lens, slit or collimator E. a detector

4.The reaction of 1-chloropentane with sodium cyanide results in the formation of ________.

Select one: A. 1-butylamine B. pentanenitrile C. hexanenitrile D. 1-pentylamine E. butanenitrile

5.Molecular Orbital theory correctly predicts paramagnetism of oxygen gas, O2. This is because ________.

Select one:

A. the bond order in O2 can be shown to be equal to 2

B. the energy of the 2pMOs is higher than that of the 2pMO

C. the OO bond distance is relatively short

D. there are more electrons in the bonding orbitals than in the antibonding orbitals

E. there are two unpaired electrons in the MO electron configuration of O2

1) SN2

2) filled, empty

3)an injector

4)hexanenitrile

5)there are two unpaired electrons in the MO electron configuration of O2

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