Q. What is Williamson's Synthesis? Give equation.

Q. What is emulsion? How are emulsions classified? Give example?

Q. Write balanced equations for the formation of $NC{l}_3$ and $PC{l}_3$. Given equations for hydrolysis reactions of $NC{l}_3$ and $PC{l}_3$.

Q. Explain the preparation of ethyl alcohol from molasses.

Q. Give Nernst equation:
Calculate the electrode potential of the following single electrode.
$C{u}_{\left(aq\right)}^{++}(C=0.01M)/Cu;(E^{\circ }=+0.337V)$

Q. Give two biological functions of lipids.

Q. Give the deficiency diseases cause by $A,D,E,K$ vitamins.

Q. What is doping? What are n-type and p-type semiconductors?

Q. State Hess's law of constant heat summation and explain it with an example.

Q. State Le Chatelier's principle and apply it to the following equilibrium.
$2S{O}_{2_{\left(g\right)}}+O_{2_{\left(g\right)}}\rightleftharpoons 2S{O}_{3_{\left(g\right)}};△H=-189k.J$

Q. Explain the industrial method of preparation of bleaching powder with a neat diagram.

Q. What are food preservatives? Give example

Q. Define order of reaction.

Q. Given the reactions of ozone with the following and give equations.
(i) $PbS$
(ii) $SnC{l}_2/HCl$
(iii) Moist $KI$
(iv) $Ba{O}_2$

Q. Define molality. How many grams of $N{a}_{2}C{O}_3$ should be dissolved in $250$ grams of water to prepare $0.1m$ solution?

Q. Give the composition of Brass

Q. Draw Werner's structure of the following:
(a) $CoC{l}_3.6N{H}_3$
(b) $CoC{l}_3.5N{H}_3$
(c) $CoC{l}_3.4N{H}_3$
(d) $CoC{l}_3.3N{H}_3$

Q. Write short notes on the following:
(a) Roasting
(b) Calcination

Q. How does ethyl alcohol react with the following? Write equations.
(i) Metallic $Na$
(ii) $C{H}_{3}COOH$
(iii) $C{H}_{3}MgI$
(iv) $Conc.H_{2}S{O}_4$ at ${170}^{\circ }C$

Q. Write Hell Volhard Zelinsky (HVZ) reaction with equation