Multiple Choice
Balance the following oxidation-reduction reaction in acid solution:
Fe(s) → Fe2+ + H2(g)
The sum of the coefficients is ________.
A) 2
B) 5
C) 8
D) 7
E) 9
Correct Answer:

Verified
Correct Answer:
Verified
Q92: Which of the following compounds is quite
Q93: An insoluble compound will dissolve to an
Q94: Lead ions can be precipitated from aqueous
Q95: How many electrons are transferred when the
Q96: The substance BaCl<sub>2</sub> is a:<br>A)salt<br>B)weak acid<br>C)strong base<br>D)weak
Q98: The substance NH<sub>3</sub> is a:<br>A)weak acid<br>B)strong acid<br>C)salt<br>D)weak
Q99: Balance the following equation in basic solution:<br>Br<sub>2</sub>
Q100: The substance KClO<sub>4</sub> in water solution is
Q101: Most water-soluble compounds of Group 1A or
Q102: Which of the following would have the