Solve your IGNOU Doubts

Question:

(a) What is an electrolyte concentration cell? Write the expression for $E_{cell}$ for such a

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Question:

(b) What are the conditions which a reversible cell should satisfy.

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Question:

The position vector of an object of mass m moving along a curve is given by $\vec{r}(t)=at^{2}\hat{i}+sin\, bt\hat{j}+cosbt\, \hat{k},0\leq t\leq 1$ where a and b are constants. Calculate the force acting on the object and the work done by the force.

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Question:

(a) List the functions of a salt bridge.

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Question:

Draw and explain the conductometric titration curves for the titration of the following:

(i) $HC1$ VS $NaOH$

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Question:

(b) List various factors on which the conductivity of electrolytic solutions depends.

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Question:

(a) Define conductivity. Give its SI units.

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Question:

Draw and explain the phase diagram of sulphur.

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Question:

(b) Can exist for a one-component system.

When is a system called invariant? Illustrate with an example.

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Question:

(a) Calculate the maximum number of phases and maximum number of degrees of freedom that

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Question:

(b) How many components are there in the following systems? Briefly discuss.

(i) $C_{a}CO_{3} \rightleftharpoons C_{a}O+CO_{2}$

(ii) $CH_{3}COO+C_{2}H_{5}OH\rightleftharpoons CH_{3}COOC_{2}H_{5}+CH_{2}O$

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Question:

b) Determine the metric coefficients for the coordinate system (u,v,z) whose coordinates are related to the Cartesian coordinates by the following equations:

$x=\frac{1}{2}(u^{2}+v^{2});y=2uv;\; z=z$