Q. For a reaction the unit of rate constant is sec${}^{-1}$. What will be the order of reaction?

Q. (a) Write an equation of reaction of chlorine with hot and concentrated $NaOH$ solution.
(b) Why are all the five bonds of $PC{l}_5$ not equivalent? Explain.

Q. Write differential rate equation for the reaction, $2A+B\to$ product.

Q. Explain on the basis of valence bond theory that $\left[Ni\right(CN{)}_4{]}^{2-}$ is a low spin complex ion.

Q. Arrange the following compounds in increasing order of their basic strength. Explain reason
$C_2{H}_{5}N{H}_2,N{H}_3,C_6{H}_{5}N{H}_2$

Q. Explain that vulcanised rubber is an elastomer.

Q. Complete the following reaction and explain its mechanism:
$(C{H}_3{)}_{3}CBr+O{H}_{\left(aq\right)}^{-}\to$

Q. Write the formula to calculate the molality.

Q. Write the formula of ionisation isomer of $\left[Cr\right(H_{2}O{)}_{4}B{r}_2]Cl$.

Q. Write the formula of coordination compound mercury tetrathiocyanato-cobaltate (III):

Q. Half life period for first order reaction is 10 sec. Calculate the rate constant for the reaction.

Q. (a) What are non-narcotic analgesics? Write an examples.
(b) Why is artificial sweetening agent, Aspartame used only in soft drinks and cold foods?
(c) Write any one difference between antiseptics and disinfectatnts.

Q. Write the SI unit of Resistivity.

Q. (a) What is enzyme catalysis? Write an example.
(b) Which type of emulsion is milk? Explain.
(c) Explain Electrophoresis with labelled diagram.

Q. (a) Write the values of axial angles for hexagonal crystal system.
(b) Which type of semiconductor is obtained by doping boron with silicon? Explain.

Q. Osmotic pressure of a solution is 0.0821 atm at a temperature of 400 K. Calculate the concentration of solution in mol/litre.
$[R=0.0821Latm{K}^{-1}mo{l}^{-1}]$

Q. What happens when benzene diazonium chloride reacts with potassium iodide? (write only equation of the reaction)

Q. Limiting molar conductivities of $M{g}^{2+}$ and $C{l}^{-}$ ions are 106.0 S.cm${}^2$. mol${}^{-1}$ and

Q. What happens on thermal decomposition of $Ba(N_3{)}_2$? (write only equation of the reaction).

Q. Write any two difference between addition and condensation polymerisation.

Q. Complete the following chemical reactions
(b) $C{H}_3-C{H}_2-Cl+KCN\stackrel{\Delta }{\to }$
(c) $C{H}_3-CH=C{H}_2+HI\to$
(d) $C{H}_3-C{H}_2-OH+NaBr+H_{2}S{O}_4\to$

Q. Write IUPAC name of :

Q. (a) What is anionic detergent? Write an example.
(b) Why are chemicals added to food? Write any two reasons.
(c) Write any one difference between broad spectrum and narrow spectrum antibiotics.

Q. What is the basicity of $H_{3}P{O}_3$?

Q. Explain denaturation of protein with an example.

Q. (a) Write an equation of the reaction of chlorine with cold and dilute $NaOH$ solution.
(b) Explain the reducing nature of $H_{3}P{O}_2$.

Q. (a) Write Faraday's second law of electrolysis.
(b) Draw labelled diagram of standard Hydrogen electrode.

Q. (a) What is Lanthanoid contraction?
(b) What are Interstitial compounds? Give an example.
(c) Calculate the 'Spin only' magnetic moment of $M_{\left(aq\right)}^{2+}$ ion (Z = 29)

Q. Arrange benzoic acid, 4-methyl benzoic acid and 4-nitrobenzoic acid in increasing order of their acidic strength.

Q. Explain calcination and roasting with example.