chemistryfan63
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Which solution has the highest electrical conductivity? Explain why.


a) 0.1 M of H2S

b) 0.1 M of HNO2

c) 0.1 M of H2SO3

d) 0.1 M of NH4Cl

Sagot :

Answer:

Given solutions are:

a) 0.1 M of H2S

b) 0.1 M of HNO2

c) 0.1 M of H2SO3

d) 0.1 M of NH4Cl

Explanation:

The electrical conductivity of a solution is directly proportional to the number of ions present in it.

All the given solutions have the same concentration.

But on dissociation, each solution produces a different number of ions as shown below:

[tex]H{2} S ->HS^{-}+H^{+}[/tex]

2 ions per molecule.

[tex]HNO{2} -> H^{+} + NO{2}^{-}[/tex]

2 ions per molecule.

[tex]H2SO3 -> 2H^{+} +SO{3} ^{2-}[/tex]

3 ions per molecule.

[tex]NH{4}Cl -> NH{4}^{+} + Cl^{-}[/tex]

2 ions per molecule.

Answer:

0.1M H2SO3 has high electrical conductivity.

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