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Standard IX

Chemistry

Saturated,Unsaturated and Supersaturated Solutions

Formation of ...

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Formation of a solution from two components can be considered as 1)purr solvent- seperated solvent molecules,△ H1 2)pure solute- separated solute molecules, △ H2 3)seperated solvent and solute molecules-solution, △ H3 Solution so formed will be ideal if 1)△ H(sol.)=△ H1+ △ H2+ △ H3 2)△ H=△ H1+△ H2-△ H3 3)△ H=△ H1-△ H2-△ H3 4)△ H=△ H3-△ H1-△ H2

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Formation of a solution from two components can be considered as

(i) Pure solvent

\to

separated solute molecules,

△ H_{1}

(ii) Pure solute

\to

separated solute molecules,

△ H_{2}

solution so formed will be ideal if

(iii) Separated solvent and solute molecules

\to

solution,

△ H_{3}

Then:

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. Their degree of hydrolysis are

h_{1}, h_{2}, h_{3}

and

h_{4}

. What is the decreasing order of degree of hydrolysis ?

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has altitudes

h_{1}, h_{2}, h_{3}

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r

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\frac{h_{1} + r}{h_{1} - r} + \frac{h_{2} + r}{h_{2} - r} + \frac{h_{3} + r}{h_{3} - r}

There are three setups, shown in figure. Voltage of ends are given, heat developed in 1, 2 and 3 are

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