Chemistry 11 Chapter 10
Electrochemistery
Test 9
1.
Li,Na acts as anode as their position in electrochemical series is?
a) In middle
b) None
c) Higher
d) Lower
2.
List of elements based on hydrogen scale is?
a) Group
b) Electrochemical series
c) Period
d) Periodic table
3.
Potential of SHE is considered as?
a) Multiple of 1
b) Constant
c) Unity
d) Zero
4.
Greater the value of standard electrode potential,greater will be the tendency of?
a) Both a and b
b) To accept electrons
c) Reduction
d) Oxidation
5.
Chemical used in salt bridge is?
a) KBr
b) KNO
3
c) KCl
d) KOH
6.
Temprature for standard electrode potential is?
a) 310K
b) 300K
c) 273K
d) 25C
7.
E
0
of an element can be calculated by comparing it by?
a) SHM
b) 1 M solution of element
c) 2 M solution of HCl
d) New electrode of same element
8.
Anode electrode element in electrochemical series has always position?
a) Lower
b) In middle
c) Higher
d) No effect of position
9.
Potential of zinc is called?
a) Redox
b) Zinc has no potential
c) Oxidation
d) Reduction
10.
H
2
gas in SHE is filled at pressure of?
a) 780 mm Hg
b) 800 mm Hg
c) 750 mm Hg
d) 760 mm Hg
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