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NaCl, CaCl2, MgSO4 are known as 1 - 1, 2...

NaCl, `CaCl_2, MgSO_4` are known as 1 - 1, 2 - 1 and 2 - 2 elecrolytes respectively.

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Cacl2

The solubilities of AgCl in water, 0.01M CaCl_2, 0.01 M NaCl and 0.05 M AgNO_3 are denoted by S_(1), S_(2), S_(3) and S_(4) respectively. Which of the following relationships is correct?

Knowledge Check

  • NaCl, MgCl_2 and CaSO_4 are known as

    A
    1-1 , 2 - 1 and 2 - 2 type electrolytes respectively
    B
    strong , weak and strong electrolytes respectively.
    C
    electrolytes with different value of A
    D
    electrolytes with same molar conductivity

  • If standard enthalpies of formation of CaCl(s) (hypothetical) and that of CaCl_2(s) are -188 J mol^(-1) and -795 kJ mol^(-1) respectively calculate the value of standard heat of reaction for the following disproportionation reaction 2CaCl(s) rarr CaCl_2(s) + Ca(s)

    A
    (-607 KJ/mol)
    B
    (+607 kj/mol)
    C
    (-419 kj/mol)
    D
    (+419 kj/mol)

  • If standard enthalpies of formation of CaCl(s) (hypothetical) and that of CaCl_2(s) are -188 J mol^(-1) and -795 kJ mol^(-1) respectively calculate the value of standard heat of reaction for the following disproportionation reaction 2CaCl(s) rarr CaCl_2(s) + Ca(s)

    A
    (-607 KJ/mol)
    B
    (+607 kj/mol)
    C
    (-419 kj/mol)
    D
    (+419 kj/mol)

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    Removal of CO_2 and H_2O from atmospheric air by using KOH and anhydrous CaCl_2 , is an example of _______ and _________ changes, respectively.

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