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Interactive Quiz 2
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1

The hydride ion
A)is a strong acid.
B)is a strong reducing agent.
C)is a strong oxidizing agent.
D)is neither an oxidant nor a reductant.
E)is found in molecules such as CHCl3.
2

Which of the following elements has the highest boiling point?
A)argon
B)bromine
C)chlorine
D)xenon
E)oxygen
3

In which one of the following ways does lithium differ from the other alkali metals?
A)Its ionization energy is lower than expected.
B)It reacts with organic halides to form molecular compounds.
C)It has an unusually high density.
D)Its salts are much more soluble in water than those of the other alkali metals.
E)It has an unusually low melting point.
4

When magnesium reacts with water
A)the water is oxidized.
B)magnesium is reduced.
C)oxygen and MgO are produced.
D)magnesium is oxidized and water is reduced.
E)the resultant solution will be acidic.
5

Relative to a temperature of 20° C and a pressure of 1 atmosphere, what changes in conditions are necessary to move into the region of the carbon phase diagram where diamond becomes the stable phase?
A)temperature must be raised
B)temperature and pressure must both be raised
C)temperature must be lowered, pressure must be raised
D)pressure must be raised
E)temperature must be raised, pressure must be lowered
6

Consider all of the known elements. Which element has the greatest ability to covalently bond to itself and to form multiple bonds?
A)Al
B)B
C)C
D)Si
E)H
7

The products, H3PO3 and HCl, are formed when _______ reacts with ______.
A)PCl5(l), H2O(l)
B)PCl3(l), H3PO4(aq)
C)PCl3(l), H2O(l)
D)PCl5(l), H3PO4(aq)
E)P4(s), HClO4(l)
8

One of the nitrogen oxides is a very important biochemical messenger. It is a colorless, paramagnetic gas. What is its formula?
A)N2O4
B)N2O
C)N2O3
D)NO2
E)NO
9

Predict the products of the reaction of P4O10 and H2O.
A)hydrogen gas, oxygen gas and phosphorus
B)phosphoric acid
C)phosphorous acid
D)hydrogen peroxide and phosphane
E)oxygen gas and phosphane
10

What is the chemical formula for the superoxide ion, formed when K, Rb or Cs react with oxygen?
A)O-
B)O22-
C)O2-
D)O3-
E)O2-
11

Select the correct statement about ozone.
A)It reflects ultraviolet light away from the earth’s surface.
B)It reacts with oxygen molecules to form oxygen atoms.
C)It is good for your health.
D)It is useful because it destroys chlorofluorocarbons.
E)It dissociates when it absorbs ultraviolet light.
12

What is the formula for the active ingredient in bleach?
A)Cl2
B)NaOH
C)H2O2
D)NaClO3
E)NaClO
13

If X is a halogen element, what is the general formula for a perhalic acid?
A)HXO4
B)HXO3
C)HXO2
D)HXO
E)HX
14

Which, if any, of the following halogen displacement reactions would not occur?
A)Cl2 + 2NaBr(aq) → Br2 + 2NaCl(aq)
B)Cl2 + 2KI(aq) → I2 + 2KCl(aq)
C)Br2 + 2NaI(aq) → I2 + 2NaBr(aq)
D)I2 + 2KCl(aq) → Cl2 + 2KI(aq)
E)All of these displacement reactions would be expected to occur.
15

Which, if any, of the following elements, will react with xenon to form xenon halides?
A)fluorine
B)bromine
C)chlorine
D)iodine
E)None, since xenon is inert toward reaction with all halogens.







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