Unit 4-5 MCQ

Quiz
•
Chemistry
•
11th Grade
•
Hard
+1
Standards-aligned
Judy Kelley
Used 2+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molarity of a solution containing CIO2 (aq) if 7.5 ml of the solution is needed to react completely with 20ml of .20 M MnO4 solution?
2H20(1) + 4MnO,(aq) + 3C102(aq) → 4MnOz(s) + 3ClO4(aq) + 40H (aq)
.10 M
.20 M
.30 M
.40 M
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the following half-reactions below are combined and balanced the coefficient of the AI3+ will be
1
2
3
4
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following species is the oxidation state fornitrogen the greatest?
NO
NO2
NO3 -1
NO2 -1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the following reaction is determined to be second order overall, what are the units of the rate constant, k?
time -1
L mol-1 time -1
mol L-1 time -1
cannot determine the order and units of k without experimental data
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.10 Ms-1 because the rate constant of a specific reaciton is constant at a given temperature
0.10 Ms-1 because Y is now a limiting reactant and adding more X can't increate the rate
0.20 Ms-1 because doubling the concentration of X will double the rate
0.60 Ms-1 because the coefficient of X in the balanced equation is 3 and the concentration of Xis doubled so 3x2=6
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O
1/2
1
2
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
reactant
catalyst
inhibitor
intermediate
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