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  4. Calculate the solubility product of Co2[.Fe(.CN(.)6]. in water at 25° C. Given, conductivity of saturated solutions of Co2[.Fe(.CN(.)6]. is text2 text.06 text× text10- text6 textΩ - text1 textcm- text1 and that of water used is text4 text.1 text× text10- text7 textΩ - text1 textcm- text1 . The ionic molar conductivities of Co2 + and [.Fe(.CN(.)6(].)4 - are text86 text.0 textΩ textcm text2 textmol- text1 and text444 text.0 textΩ - text1 textcm text2 textmol- text1 , respectively.

Q. Calculate the solubility product of in water at C.
Given, conductivity of saturated solutions of is and that of water used is . The ionic molar conductivities of and are and , respectively.

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Solution:






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Questions from NTA Abhyas 2022

1. An alkene on ozonolysis gives a mixture of two carbonyl compounds. Mixture on Clemmensen reduction gives just one alkane . is the lowest alkane which in pure form can not be prepared by standard Wurtz method. is

2. A cation is in the centre touches three anions. Assume that the anions also touch each other. The limiting radius ratio, is

3. Blue colour of alkali and alkaline earth metals in liquid is due to

4. Which of the following oxides is strongly basic?

5. In a box hydroiodic acid is taken. After equilibrium the concentration of is found to be . The concentration of at equilibrium in , is

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[Given that molecular mass of NaOH = 40 g mol]

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