Electrolytic Cells
CHXII03:ELECTROCHEMISTRY

330173 A certain current liberated 0.504 g of hydrogen gas in 2 hours. How many grams of copper can be deposited by the same current flowing for the same time in copper sulphate solution?

1 31.8 g
2 16.0 g
3 12.7 g
4 63.5 g
CHXII03:ELECTROCHEMISTRY

330174 The density of Cu is \({\rm{8}}{\rm{.94}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 3}}}}\) The quantity of electricity needed to plate an area \({\rm{10}}\,\,{\rm{cm \times 10}}\,\,{\rm{cm}}\) to a thickness of \({\rm{1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{cm}}\) using \({\rm{CuS}}{{\rm{O}}_{\rm{4}}}\) solution would be

1 40758 C
2 27172 C
3 13586 C
4 20348 C
CHXII03:ELECTROCHEMISTRY

330175 One litre solution of \(MgC{l_2}\) is electrolyzed completely by passing a current of 1 A for 16 min 5 sec. The original concentration of \(MgC{l_2}\) solution was (Atomic mass of Mg = 24)

1 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
3 \({\rm{0}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
4 \({\rm{1}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
CHXII03:ELECTROCHEMISTRY

330176 Match Column I (Conversion) with Column II (Number of Faraday required).
Column I
Column II
A
\({\rm{1 mol}}\,{{\rm{H}}_{{\rm{2}}\,}}{\rm{O}}\,\,{\rm{to}}\,\,{{\rm{O}}_{\rm{2}}}\)
P
3F
B
\({\rm{1 mol}}\,{\rm{MnO}}_4^ - \,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\)
Q
2F
C
\[\begin{array}{l}
{\rm{1}}{\rm{.5 \,mol}}\,{\rm{of}}\,{\rm{Ca}}\,{\rm{from}}\,\,\\
{\rm{molten}}\,{\rm{CaC}}{{\rm{l}}_{\rm{2}}}
\end{array}\]
R
1F
D
\({\rm{1 mol}}\,{\rm{of}}\,{\rm{FeO}}\,\,{\rm{to}}\,{\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
S
5F

1 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ S; C }} - {\rm{P; D }} - {\rm{ R}}\)
2 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ P; D}} - {\rm{ Q}}\)
3 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ R; C }} - {\rm{P; D }} - {\rm{ S}}\)
4 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ Q; D}} - {\rm{ P}}\)
CHXII03:ELECTROCHEMISTRY

330173 A certain current liberated 0.504 g of hydrogen gas in 2 hours. How many grams of copper can be deposited by the same current flowing for the same time in copper sulphate solution?

1 31.8 g
2 16.0 g
3 12.7 g
4 63.5 g
CHXII03:ELECTROCHEMISTRY

330174 The density of Cu is \({\rm{8}}{\rm{.94}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 3}}}}\) The quantity of electricity needed to plate an area \({\rm{10}}\,\,{\rm{cm \times 10}}\,\,{\rm{cm}}\) to a thickness of \({\rm{1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{cm}}\) using \({\rm{CuS}}{{\rm{O}}_{\rm{4}}}\) solution would be

1 40758 C
2 27172 C
3 13586 C
4 20348 C
CHXII03:ELECTROCHEMISTRY

330175 One litre solution of \(MgC{l_2}\) is electrolyzed completely by passing a current of 1 A for 16 min 5 sec. The original concentration of \(MgC{l_2}\) solution was (Atomic mass of Mg = 24)

1 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
3 \({\rm{0}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
4 \({\rm{1}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
CHXII03:ELECTROCHEMISTRY

330176 Match Column I (Conversion) with Column II (Number of Faraday required).
Column I
Column II
A
\({\rm{1 mol}}\,{{\rm{H}}_{{\rm{2}}\,}}{\rm{O}}\,\,{\rm{to}}\,\,{{\rm{O}}_{\rm{2}}}\)
P
3F
B
\({\rm{1 mol}}\,{\rm{MnO}}_4^ - \,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\)
Q
2F
C
\[\begin{array}{l}
{\rm{1}}{\rm{.5 \,mol}}\,{\rm{of}}\,{\rm{Ca}}\,{\rm{from}}\,\,\\
{\rm{molten}}\,{\rm{CaC}}{{\rm{l}}_{\rm{2}}}
\end{array}\]
R
1F
D
\({\rm{1 mol}}\,{\rm{of}}\,{\rm{FeO}}\,\,{\rm{to}}\,{\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
S
5F

1 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ S; C }} - {\rm{P; D }} - {\rm{ R}}\)
2 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ P; D}} - {\rm{ Q}}\)
3 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ R; C }} - {\rm{P; D }} - {\rm{ S}}\)
4 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ Q; D}} - {\rm{ P}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII03:ELECTROCHEMISTRY

330173 A certain current liberated 0.504 g of hydrogen gas in 2 hours. How many grams of copper can be deposited by the same current flowing for the same time in copper sulphate solution?

1 31.8 g
2 16.0 g
3 12.7 g
4 63.5 g
CHXII03:ELECTROCHEMISTRY

330174 The density of Cu is \({\rm{8}}{\rm{.94}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 3}}}}\) The quantity of electricity needed to plate an area \({\rm{10}}\,\,{\rm{cm \times 10}}\,\,{\rm{cm}}\) to a thickness of \({\rm{1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{cm}}\) using \({\rm{CuS}}{{\rm{O}}_{\rm{4}}}\) solution would be

1 40758 C
2 27172 C
3 13586 C
4 20348 C
CHXII03:ELECTROCHEMISTRY

330175 One litre solution of \(MgC{l_2}\) is electrolyzed completely by passing a current of 1 A for 16 min 5 sec. The original concentration of \(MgC{l_2}\) solution was (Atomic mass of Mg = 24)

1 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
3 \({\rm{0}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
4 \({\rm{1}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
CHXII03:ELECTROCHEMISTRY

330176 Match Column I (Conversion) with Column II (Number of Faraday required).
Column I
Column II
A
\({\rm{1 mol}}\,{{\rm{H}}_{{\rm{2}}\,}}{\rm{O}}\,\,{\rm{to}}\,\,{{\rm{O}}_{\rm{2}}}\)
P
3F
B
\({\rm{1 mol}}\,{\rm{MnO}}_4^ - \,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\)
Q
2F
C
\[\begin{array}{l}
{\rm{1}}{\rm{.5 \,mol}}\,{\rm{of}}\,{\rm{Ca}}\,{\rm{from}}\,\,\\
{\rm{molten}}\,{\rm{CaC}}{{\rm{l}}_{\rm{2}}}
\end{array}\]
R
1F
D
\({\rm{1 mol}}\,{\rm{of}}\,{\rm{FeO}}\,\,{\rm{to}}\,{\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
S
5F

1 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ S; C }} - {\rm{P; D }} - {\rm{ R}}\)
2 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ P; D}} - {\rm{ Q}}\)
3 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ R; C }} - {\rm{P; D }} - {\rm{ S}}\)
4 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ Q; D}} - {\rm{ P}}\)
CHXII03:ELECTROCHEMISTRY

330173 A certain current liberated 0.504 g of hydrogen gas in 2 hours. How many grams of copper can be deposited by the same current flowing for the same time in copper sulphate solution?

1 31.8 g
2 16.0 g
3 12.7 g
4 63.5 g
CHXII03:ELECTROCHEMISTRY

330174 The density of Cu is \({\rm{8}}{\rm{.94}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 3}}}}\) The quantity of electricity needed to plate an area \({\rm{10}}\,\,{\rm{cm \times 10}}\,\,{\rm{cm}}\) to a thickness of \({\rm{1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{cm}}\) using \({\rm{CuS}}{{\rm{O}}_{\rm{4}}}\) solution would be

1 40758 C
2 27172 C
3 13586 C
4 20348 C
CHXII03:ELECTROCHEMISTRY

330175 One litre solution of \(MgC{l_2}\) is electrolyzed completely by passing a current of 1 A for 16 min 5 sec. The original concentration of \(MgC{l_2}\) solution was (Atomic mass of Mg = 24)

1 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
3 \({\rm{0}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 3}}}}\,\,{\rm{M}}\)
4 \({\rm{1}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}\,\,{\rm{M}}\)
CHXII03:ELECTROCHEMISTRY

330176 Match Column I (Conversion) with Column II (Number of Faraday required).
Column I
Column II
A
\({\rm{1 mol}}\,{{\rm{H}}_{{\rm{2}}\,}}{\rm{O}}\,\,{\rm{to}}\,\,{{\rm{O}}_{\rm{2}}}\)
P
3F
B
\({\rm{1 mol}}\,{\rm{MnO}}_4^ - \,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\)
Q
2F
C
\[\begin{array}{l}
{\rm{1}}{\rm{.5 \,mol}}\,{\rm{of}}\,{\rm{Ca}}\,{\rm{from}}\,\,\\
{\rm{molten}}\,{\rm{CaC}}{{\rm{l}}_{\rm{2}}}
\end{array}\]
R
1F
D
\({\rm{1 mol}}\,{\rm{of}}\,{\rm{FeO}}\,\,{\rm{to}}\,{\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
S
5F

1 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ S; C }} - {\rm{P; D }} - {\rm{ R}}\)
2 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ P; D}} - {\rm{ Q}}\)
3 \({\rm{A }} - {\rm{ Q; B }} - {\rm{ R; C }} - {\rm{P; D }} - {\rm{ S}}\)
4 \({\rm{A }} - {\rm{R; }}\,\,\,{\rm{B }} - {\rm{ S; C}} - {\rm{ Q; D}} - {\rm{ P}}\)