Balance the redox reaction below in an acidic condition:
Cu + NO3- ⟶ Cu2+ + 2NO
Chemistry Mart Sem 1 set C
Quiz
•
Chemistry
•
University
•
Hard
MOHAMMAD KM-Pensyarah
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balance the redox reaction below in an acidic condition:
Cu + NO3- ⟶ Cu2+ + 2NO
3Cu + 2NO3- + 8H+ ⟶ 3Cu2+ + 2NO + 4H2O
3Cu + 2NO3- + 4H2O ⟶ 3Cu2+ + 2NO
6Cu + 2NO3- + 8H+ ⟶ 6Cu2+ + 2NO + 4H2O
3Cu + 2NO3- + 4H+ ⟶ 3Cu2+ + 2NO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Balmer series in the hydrogen spectrum is found in
the ultraviolet region
the infrared region
the visible region
the x-ray region
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electronc configuration of element X is.......... 3s2 3p6 3d10 4s2 4p3. This means that the element X is
d-block element
a group 13 element
a group 14 element
a group 15 element
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following compounds can form hydrogen bonds?
CH4
CH3OH
CH3-O-CH3
HCN
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Under which set of condition will real gas shows ideal behaviour?
Temperature: Low
Pressure: High
Temperature: High
Pressure: High
Temperature: Low
Pressure: Low
Temperature: High
Pressure: Low
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the following reaction:
P + Q ⇌ 2R + S
Which of the following statement is TRUE when the system is at equilibrium?
Both the forward and the reverse reactions have stopped
Neither the forward nor the reverse reaction has stopped
The rate of forward reaction is decreased due to the increase in the rate of the reverse reaction
The sum of the concentration of P and Q must equal to the sum of the concentration of R and S
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following ions reacts as Bronsted-Lowry acid and base?
HCO3-
OH-
CO32-
HCl
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