SATHEE: Redox Reactions And Electrochemistry Ques 574

Redox Reactions And Electrochemistry Ques 574

Question: The ionic conductivity of $B a^{2 +}$ and $C l^{-}$ at infinite dilution are 127 and 76 $o h m^{- 1}$ $c m^{2} e q^{- 1}$ respectively. The equivalent conductivity of $B a C l_{2}$ at infinity dilution (in $o h m^{- 1}, C m^{2} e q^{- 1}$ ) would be:

Options:

A) 203

B) 279

C) 101.5

D) 139.5

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Equivalent conductivity of $B a C l_{2}$ $Λ_{m}^{\infty} (B a C l_{2}) = λ_{m}^{\infty} (B a^{2 +}) + 2 λ_{m}^{\infty} (C l^{-})$ $= 127 + 2 \times 76 = 279 o h m^{- 1} c m^{2} e q^{- 1} .$

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Redox Reactions And Electrochemistry Ques 574

Question: The ionic conductivity of Ba2+ and Cl− at infinite dilution are 127 and 76 ohm−1 cm2eq−1 respectively. The equivalent conductivity of BaCl2 at infinity dilution (in ohm−1,Cm2eq−1 ) would be:

Options:

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Question: The ionic conductivity of $B a^{2 +}$ and $C l^{-}$ at infinite dilution are 127 and 76 $o h m^{- 1}$ $c m^{2} e q^{- 1}$ respectively. The equivalent conductivity of $B a C l_{2}$ at infinity dilution (in $o h m^{- 1}, C m^{2} e q^{- 1}$ ) would be: