The conductivity of four electrolytes P , Q , R , S in ohm -1 cm -1 are as follows P (5 × 10-5), Q (1 × 10-10), R (7 × 10-8); S (9.2 × 10-3). The one which offers highest resistance to the passage of electric current is

Question

The conductivity of four electrolytes P , Q , R , S in ohm -1 cm -1 are as follows P (5 × 10-5), Q (1 × 10-10), R (7 × 10-8); S (9.2 × 10-3). The one which offers highest resistance to the passage of electric current is (A) P (B) S (C) R (D) Q

Tardigrade Admin · Accepted Answer

Conductivity ( K ), kappa=(1/ R ) × Cell constant [ kappa propto (1/R)] longrightarrow Resistance (Q) has minimum conductivity so, maximum resistance

Q. The conductivity of four electrolytes $P, Q, R, S$ in ohm $^{- 1} c m^{- 1}$ are as follows $P (5 \times 1 0^{- 5}), Q (1 \times 1 0^{- 10}), R (7 \times 1 0^{- 8}); S (9.2 \times 1 0^{- 3})$ . The one which offers highest resistance to the passage of electric current is

$P$

$S$

$R$

$Q$

Conductivity ( $K), κ = \frac{1}{R} \times$ Cell constant
$[κ \propto \frac{1}{R}] ⟶$ Resistance
$(Q)$ has minimum conductivity so, maximum resistance

Q. The conductivity of four electrolytes P,Q,R,S in ohm −1cm−1 are as follows P(5×10−5),Q(1×10−10),R(7×10−8);S(9.2×10−3). The one which offers highest resistance to the passage of electric current is

P

S

R

Q

Conductivity ( K),κ=R1​× Cell constant [κ∝R1​]⟶ Resistance (Q) has minimum conductivity so, maximum resistance

Q. The conductivity of four electrolytes $P, Q, R, S$ in ohm $^{- 1} c m^{- 1}$ are as follows $P (5 \times 1 0^{- 5}), Q (1 \times 1 0^{- 10}), R (7 \times 1 0^{- 8}); S (9.2 \times 1 0^{- 3})$ . The one which offers highest resistance to the passage of electric current is

$P$

$S$

$R$

$Q$

Conductivity ( $K), κ = \frac{1}{R} \times$ Cell constant
$[κ \propto \frac{1}{R}] ⟶$ Resistance
$(Q)$ has minimum conductivity so, maximum resistance