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| Teaching Since: | Apr 2017 |
| Last Sign in: | 327 Weeks Ago, 4 Days Ago |
| Questions Answered: | 12843 |
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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
1). What chemical is oxidized in the following reaction:
Mg + 2HCl → MgCl2 + H2
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2). What chemical is reduced in the following reaction:
Mg + 2HCl → MgCl2 + H2
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3). What chemical is the oxidizing agent in the following chemical reaction:
NaOH + HCl → NaCl + H2O
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4). Which of the following reactions is NOT a REDOX reaction?
A) 2HgO → 2Hg + O2
B) 2Al(OH)3 + 3Ag2SO4 → 6AgOH + Al2(SO4)3
C) Mg + 2HCl → H2 + MgCl2
D) 2H2 + O2 → 2H2O
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4). What is the oxidation number of bromine in bromine gas (Br2)?
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5).Which of the following is an absolute indication of a REDOX reaction?
A) A change in an elements subscript. Â
B) A free element on one side of the reaction that is bonded to something on the other side of the reaction. Â
C) A decomposition reaction
D) A double replacement reaction. Â
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6). In the compound KClO3, what is the oxidation number for chlorine?
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7). Choose which of the following is the reducing agent in the reaction:
HNO3Â + HI --> NO + I2Â + H2O
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