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Standard XII

Chemistry

Units and Dimensions

What is the S...

Question

What is the SI unit of conductivity ?

S m

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S m^{- 1}

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S m^{2}

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S m^{- 2}

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Solution

The correct option is B $S m^{- 1}$
SI unit of conductivity is $S m^{- 1}$ .

The common unit is $S c m^{- 1}$ or $Ω^{- 1} c m^{- 1}$ .

Hence, the correct option is $B$

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Similar questions

Calculate the molar conductivity of water at infinite dilution (in Sm $^{2}$ mol $^{- 1}$ ).

(molar conductivity of hydrogen ions and the molar conductivity of hydroxide ions at infinite dilution are $349.6 \times 10^{- 4}$ Sm $^{2}$ mol $^{- 1}$ and $198.3 \times 10^{- 4}$ Sm $^{2}$ mol $^{- 1}$ )

$1 S c m^{- 1}$ is equal to

Q. Conductivity of an aqueous solution of 0.1 M HX (a weak mono-protic acid) is

5 \times 10^{4} S m^{1}

.Given:

\land_{m}^{\infty} [H^{+}] = 0.04 S m^{2} m o l^{- 1}; \land_{m}^{\infty} [X^{-}] = 0.01 S m^{2} m o l^{- 1}

Find

p K_{a} [H X] .

Q. The molar conductance at infinite dilution of

B a C l_{2}

N a C l

N a O H

are

280 \times 10^{- 4}

126.5 \times 10^{- 4}

248 \times 10^{- 4} S m^{2} m o l^{- 1}

respectively. The molar conductance at infinite dilution for

B a (O H)_{2}

is:

Q. Resistance of a conductivity cell filled with a solution of an electrolyte of concentration 0.1M is 100

Ω

. The conductivity of this solution is 1.29

S m^{- 1}

. Resistance of the same cell when filled with 0.02M of the same solution is 520

Ω

. The molar conductivity of 0.02M solution of the electrolyte will be.
(1)

124 \times 10^{- 4} {S m}^{2}^{- 1}

(2)

1240 \times 10^{- 4} {S m}^{2}^{- 1}

(3)

1.24 \times 10^{- 4} {S m}^{2}^{- 1}

(4)

12.4 \times 10^{- 4} {S m}^{2}^{- 1}

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What is the SI unit of conductivity ?

The correct option is B Sm−1 SI unit of conductivity is Sm−1. The common unit is Scm−1 or Ω−1cm−1.Hence, the correct option is B

The correct option is B $S m^{- 1}$
SI unit of conductivity is $S m^{- 1}$ .

The common unit is $S c m^{- 1}$ or $Ω^{- 1} c m^{- 1}$ .

Hence, the correct option is $B$