04. Conductance and Conductor
ELECTROCHEMISTRY

276172 Consider the following statements:
Statement I : The conductance depends on the number of ions and ion mobility. The equivalent conductance increases with increase in dilution, the specific conductance diminishes.
Statement II : The total number of ions increases on account of increased ionization due to dilution, but the number of ions per unit volume decreases. Which one of the following is correct in respect of the above statements?

1 Both the statements are true and statement II is the correct explanation of statement I
2 Both the statements are true but statement II is not the correct explanation of statement I
3 Statement I is true, but statement II is false
4 Statement I is false, but statement II is true
ELECTROCHEMISTRY

276176 The conductivity of $0.001028 \mathrm{~mol} \mathrm{~L}^{-1}$ acetic acid is $4.95 \times 10^{-5} \mathrm{~S} \mathrm{~cm}^{-1}$, Find out its dissociation constant if $\Lambda_{m}$ for acetic acid is $390.5 \mathrm{~S} \mathrm{~cm}^{-1} \mathrm{~mol}^{-1}$.

1 $2.18 \times 10^{-5} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
2 $1.78 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1}$
3 $3.72 \times 10^{-4} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
4 $2.37 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$
ELECTROCHEMISTRY

276177 At a particular temperature, the ratio of equivalent conductance to specific conductance of a $0.01 \mathrm{~N} \mathrm{NaCl}$ solution is

1 $10^{5} \mathrm{~cm}^{3}$
2 $10^{3} \mathrm{~cm}^{3}$
3 $10 \mathrm{~cm}^{3}$
4 $10^{5} \mathrm{~cm}^{2}$
ELECTROCHEMISTRY

276178 The equivalent conductivity of a solution containing 2.54g of $\mathrm{CuSO}_{4}$ per $\mathrm{L}$ is $91.0 \mathrm{~W}^{-1} \mathrm{~cm}^{2}$ $\mathrm{eq}^{-1}$. Its conductivity would be

1 $2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
2 $1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}$
3 $2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$
4 $3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
ELECTROCHEMISTRY

276172 Consider the following statements:
Statement I : The conductance depends on the number of ions and ion mobility. The equivalent conductance increases with increase in dilution, the specific conductance diminishes.
Statement II : The total number of ions increases on account of increased ionization due to dilution, but the number of ions per unit volume decreases. Which one of the following is correct in respect of the above statements?

1 Both the statements are true and statement II is the correct explanation of statement I
2 Both the statements are true but statement II is not the correct explanation of statement I
3 Statement I is true, but statement II is false
4 Statement I is false, but statement II is true
ELECTROCHEMISTRY

276176 The conductivity of $0.001028 \mathrm{~mol} \mathrm{~L}^{-1}$ acetic acid is $4.95 \times 10^{-5} \mathrm{~S} \mathrm{~cm}^{-1}$, Find out its dissociation constant if $\Lambda_{m}$ for acetic acid is $390.5 \mathrm{~S} \mathrm{~cm}^{-1} \mathrm{~mol}^{-1}$.

1 $2.18 \times 10^{-5} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
2 $1.78 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1}$
3 $3.72 \times 10^{-4} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
4 $2.37 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$
ELECTROCHEMISTRY

276177 At a particular temperature, the ratio of equivalent conductance to specific conductance of a $0.01 \mathrm{~N} \mathrm{NaCl}$ solution is

1 $10^{5} \mathrm{~cm}^{3}$
2 $10^{3} \mathrm{~cm}^{3}$
3 $10 \mathrm{~cm}^{3}$
4 $10^{5} \mathrm{~cm}^{2}$
ELECTROCHEMISTRY

276178 The equivalent conductivity of a solution containing 2.54g of $\mathrm{CuSO}_{4}$ per $\mathrm{L}$ is $91.0 \mathrm{~W}^{-1} \mathrm{~cm}^{2}$ $\mathrm{eq}^{-1}$. Its conductivity would be

1 $2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
2 $1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}$
3 $2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$
4 $3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
ELECTROCHEMISTRY

276172 Consider the following statements:
Statement I : The conductance depends on the number of ions and ion mobility. The equivalent conductance increases with increase in dilution, the specific conductance diminishes.
Statement II : The total number of ions increases on account of increased ionization due to dilution, but the number of ions per unit volume decreases. Which one of the following is correct in respect of the above statements?

1 Both the statements are true and statement II is the correct explanation of statement I
2 Both the statements are true but statement II is not the correct explanation of statement I
3 Statement I is true, but statement II is false
4 Statement I is false, but statement II is true
ELECTROCHEMISTRY

276176 The conductivity of $0.001028 \mathrm{~mol} \mathrm{~L}^{-1}$ acetic acid is $4.95 \times 10^{-5} \mathrm{~S} \mathrm{~cm}^{-1}$, Find out its dissociation constant if $\Lambda_{m}$ for acetic acid is $390.5 \mathrm{~S} \mathrm{~cm}^{-1} \mathrm{~mol}^{-1}$.

1 $2.18 \times 10^{-5} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
2 $1.78 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1}$
3 $3.72 \times 10^{-4} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
4 $2.37 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$
ELECTROCHEMISTRY

276177 At a particular temperature, the ratio of equivalent conductance to specific conductance of a $0.01 \mathrm{~N} \mathrm{NaCl}$ solution is

1 $10^{5} \mathrm{~cm}^{3}$
2 $10^{3} \mathrm{~cm}^{3}$
3 $10 \mathrm{~cm}^{3}$
4 $10^{5} \mathrm{~cm}^{2}$
ELECTROCHEMISTRY

276178 The equivalent conductivity of a solution containing 2.54g of $\mathrm{CuSO}_{4}$ per $\mathrm{L}$ is $91.0 \mathrm{~W}^{-1} \mathrm{~cm}^{2}$ $\mathrm{eq}^{-1}$. Its conductivity would be

1 $2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
2 $1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}$
3 $2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$
4 $3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
ELECTROCHEMISTRY

276172 Consider the following statements:
Statement I : The conductance depends on the number of ions and ion mobility. The equivalent conductance increases with increase in dilution, the specific conductance diminishes.
Statement II : The total number of ions increases on account of increased ionization due to dilution, but the number of ions per unit volume decreases. Which one of the following is correct in respect of the above statements?

1 Both the statements are true and statement II is the correct explanation of statement I
2 Both the statements are true but statement II is not the correct explanation of statement I
3 Statement I is true, but statement II is false
4 Statement I is false, but statement II is true
ELECTROCHEMISTRY

276176 The conductivity of $0.001028 \mathrm{~mol} \mathrm{~L}^{-1}$ acetic acid is $4.95 \times 10^{-5} \mathrm{~S} \mathrm{~cm}^{-1}$, Find out its dissociation constant if $\Lambda_{m}$ for acetic acid is $390.5 \mathrm{~S} \mathrm{~cm}^{-1} \mathrm{~mol}^{-1}$.

1 $2.18 \times 10^{-5} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
2 $1.78 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1}$
3 $3.72 \times 10^{-4} \mathrm{~mol}^{-1} \mathrm{~L}^{-1}$
4 $2.37 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$
ELECTROCHEMISTRY

276177 At a particular temperature, the ratio of equivalent conductance to specific conductance of a $0.01 \mathrm{~N} \mathrm{NaCl}$ solution is

1 $10^{5} \mathrm{~cm}^{3}$
2 $10^{3} \mathrm{~cm}^{3}$
3 $10 \mathrm{~cm}^{3}$
4 $10^{5} \mathrm{~cm}^{2}$
ELECTROCHEMISTRY

276178 The equivalent conductivity of a solution containing 2.54g of $\mathrm{CuSO}_{4}$ per $\mathrm{L}$ is $91.0 \mathrm{~W}^{-1} \mathrm{~cm}^{2}$ $\mathrm{eq}^{-1}$. Its conductivity would be

1 $2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
2 $1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}$
3 $2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$
4 $3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here