問題一覧
1
It is the detailed study of relation between current electricity and chemical reaction
electrochemistry
2
That device in which chemical reaction occur when current is passed through certain solution
electrolytic cell
3
That device in which current in generated due to occurrence of certain reaction
galvanic cell
4
Electrolytic and galvanic cell combined called as
electrochemical cell
5
In electrochemical cell reduction occurs at which electrode
cathode
6
In electrochemical cell oxidation occurs at which electrode
anode
7
In electrolysis of aqueous NaCl solution products obtained at anode and cathode respectively
Cl2. H2
8
Cations having more reduction potential gets reduced at which electrode. In preferential discharge theory
cathode
9
Anions having more oxidation potential gets oxidise at which electrode. In preferential discharge theory
anode
10
More is the reduction potential of an element more is the tendency to get
reduced
11
3
12
If aqueous solution of sulphuric acid is electrolysed using platinum electrodes than products at cathode and anode respectively are
hydrogen and Oxygen gas
13
If aqueous solution of copper sulphate is electrolysed using platinum electrodes then product obtained at cathode and anode respectively are
1
14
If aqueous solution of NaCl is electrolysed using Hg or calomel electrode than product obtained at cathode and anode respectively are
2
15
If aqueous solution of copper sulphate is electrolysed using copper electrodes than product obtained at anode and cathode respectively are
2
16
Reduction and oxidation potential also depend upon concentration of ions
t
17
If electrolysis of concentrated copper sulphate solution is done using platinum electrodes then products obtained at cathode and anode respectively are
3
18
Calculate the product at cathode and anode if aqueous solution ofsodium sulphate is electrolysed using Mercury electrode
Na-Hg & O2
19
Calculate the product obtands at cathode and anode it concentrated sulphuric acid solution is electrolyzed using platinum electrode
3
20
Products at cathode and anode if Aqueous zinc sulphate solution is electrolysed using platinum electrode
Zn. O2
21
State faraday's first law of electrolysis
t
22
Mass of element deposited by 1 coulomb charge is known as
electrochemical equivalent
23
Total charge on one mole electrons in coulomb equal to
96500C
24
Calculate the charge required to deposit 9 gram. Al³+ ion
1 F
25
4
26
2
27
1
28
4
29
2
30
The current in a given wire is 1.8A . the number of coulombs that flow in 1.36 minute will be
147C
31
1
32
0.1cm
33
How much current must be passed through aqueous NaCl solution for 100 second in order to prepare 23 gram of 20% by mass Na-Hg amalgam using Hg electrodes
193C
34
Two electrolytic cells /voltameter are connected in a series and a current is passed for 10 second if 6 gram of aluminium ion and deposited then what weight of Zn will be deposited in same time
21.6gm
35
Solute solute interaction is also known as
asymmetry effect
36
In electrolysis Solvent solute interaction is also known as
electrophoretic effect
37
In electrolytic conductance due to solute solute interaction and solvent solute interaction conductance increases or decreases respectively
increases & increases
38
On increasing temperature electrolytic resistance decreases or increases
decreases
39
On dilution specific conductivity of a solution decreases or increases
decreases
40
Calculate specific conductivity of 0.1 M KCl solution which is present in a cell of length 2 cm and area cross section 10 cm² .resistance of this solution is found to be 100 ohm
0.002 Scm-¹
41
Specific conductivity of a 0.1M NaCl solution is found to be 0.01 Scm-¹ and resistance of this solution is 100 ohm calculate specific conductivity of 0.01M KCl solution taken in same electrolyte cell if its resistance is found to be 50 ohm
0.02 Scm-¹
42
Calculate the resistance of NaCl solution which specific conductivity is 10 Sm-¹ and cell constant is found to be 1cm-¹
10ohm
43
2.5 F of electricity are passed through a copper sulphate solution the number of gram equivalent of copper deposited on cathode is
2.5
44
4
45
Calculate molar conductivity of 0.1 M KCl solution whose specific conductivity is 10 Sm-¹
1000 Scm²mol-¹
46
Calculate the molar conductivity of 0.01 M NaCl solution which has resistance of 100 ohm and cell constant is 10 m-¹
10-² Scm²mol-¹
47
2
48
3
49
Specific conductance of 0.1 M nitric acid is 0.063 Scm-¹ the molar conductance of the solution is
630 Scm²mol-¹
50
3
51
3
52
4
53
t
54
4
55
2
56
On dilution in strong electrolytes molar conductivity of strong electrolytes increases
t
57
Debye huckel onsanger theory is for
strong electrolytes only
58
On dilution molar conductivity of weak electrolyte
increases
59
Molar conductivity at infinite dilution for weak electrolytes can be determined by extrapolating curve on debye huckel onsanger graph
f
60
Kohlrausch law states that
t
61
3
62
2
63
1
64
2
65
4
66
2
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71問 • 1年前問題一覧
1
It is the detailed study of relation between current electricity and chemical reaction
electrochemistry
2
That device in which chemical reaction occur when current is passed through certain solution
electrolytic cell
3
That device in which current in generated due to occurrence of certain reaction
galvanic cell
4
Electrolytic and galvanic cell combined called as
electrochemical cell
5
In electrochemical cell reduction occurs at which electrode
cathode
6
In electrochemical cell oxidation occurs at which electrode
anode
7
In electrolysis of aqueous NaCl solution products obtained at anode and cathode respectively
Cl2. H2
8
Cations having more reduction potential gets reduced at which electrode. In preferential discharge theory
cathode
9
Anions having more oxidation potential gets oxidise at which electrode. In preferential discharge theory
anode
10
More is the reduction potential of an element more is the tendency to get
reduced
11
3
12
If aqueous solution of sulphuric acid is electrolysed using platinum electrodes than products at cathode and anode respectively are
hydrogen and Oxygen gas
13
If aqueous solution of copper sulphate is electrolysed using platinum electrodes then product obtained at cathode and anode respectively are
1
14
If aqueous solution of NaCl is electrolysed using Hg or calomel electrode than product obtained at cathode and anode respectively are
2
15
If aqueous solution of copper sulphate is electrolysed using copper electrodes than product obtained at anode and cathode respectively are
2
16
Reduction and oxidation potential also depend upon concentration of ions
t
17
If electrolysis of concentrated copper sulphate solution is done using platinum electrodes then products obtained at cathode and anode respectively are
3
18
Calculate the product at cathode and anode if aqueous solution ofsodium sulphate is electrolysed using Mercury electrode
Na-Hg & O2
19
Calculate the product obtands at cathode and anode it concentrated sulphuric acid solution is electrolyzed using platinum electrode
3
20
Products at cathode and anode if Aqueous zinc sulphate solution is electrolysed using platinum electrode
Zn. O2
21
State faraday's first law of electrolysis
t
22
Mass of element deposited by 1 coulomb charge is known as
electrochemical equivalent
23
Total charge on one mole electrons in coulomb equal to
96500C
24
Calculate the charge required to deposit 9 gram. Al³+ ion
1 F
25
4
26
2
27
1
28
4
29
2
30
The current in a given wire is 1.8A . the number of coulombs that flow in 1.36 minute will be
147C
31
1
32
0.1cm
33
How much current must be passed through aqueous NaCl solution for 100 second in order to prepare 23 gram of 20% by mass Na-Hg amalgam using Hg electrodes
193C
34
Two electrolytic cells /voltameter are connected in a series and a current is passed for 10 second if 6 gram of aluminium ion and deposited then what weight of Zn will be deposited in same time
21.6gm
35
Solute solute interaction is also known as
asymmetry effect
36
In electrolysis Solvent solute interaction is also known as
electrophoretic effect
37
In electrolytic conductance due to solute solute interaction and solvent solute interaction conductance increases or decreases respectively
increases & increases
38
On increasing temperature electrolytic resistance decreases or increases
decreases
39
On dilution specific conductivity of a solution decreases or increases
decreases
40
Calculate specific conductivity of 0.1 M KCl solution which is present in a cell of length 2 cm and area cross section 10 cm² .resistance of this solution is found to be 100 ohm
0.002 Scm-¹
41
Specific conductivity of a 0.1M NaCl solution is found to be 0.01 Scm-¹ and resistance of this solution is 100 ohm calculate specific conductivity of 0.01M KCl solution taken in same electrolyte cell if its resistance is found to be 50 ohm
0.02 Scm-¹
42
Calculate the resistance of NaCl solution which specific conductivity is 10 Sm-¹ and cell constant is found to be 1cm-¹
10ohm
43
2.5 F of electricity are passed through a copper sulphate solution the number of gram equivalent of copper deposited on cathode is
2.5
44
4
45
Calculate molar conductivity of 0.1 M KCl solution whose specific conductivity is 10 Sm-¹
1000 Scm²mol-¹
46
Calculate the molar conductivity of 0.01 M NaCl solution which has resistance of 100 ohm and cell constant is 10 m-¹
10-² Scm²mol-¹
47
2
48
3
49
Specific conductance of 0.1 M nitric acid is 0.063 Scm-¹ the molar conductance of the solution is
630 Scm²mol-¹
50
3
51
3
52
4
53
t
54
4
55
2
56
On dilution in strong electrolytes molar conductivity of strong electrolytes increases
t
57
Debye huckel onsanger theory is for
strong electrolytes only
58
On dilution molar conductivity of weak electrolyte
increases
59
Molar conductivity at infinite dilution for weak electrolytes can be determined by extrapolating curve on debye huckel onsanger graph
f
60
Kohlrausch law states that
t
61
3
62
2
63
1
64
2
65
4
66
2