Q. How many moles of $AgCl$ will be precipitated when an excess of $AgN{O}_3$ solution is added to one molar solution of $\left[CrCl\right(H_{2}O{)}_5]C{l}_2$?

Q. What happens to the half life period for a first order reaction, if the intial concentration of the reactants is increased?

Q. Answer the following questions:

Q. Identify the product $A$ in the following reaction.
$Xe{F}_6+3H_{2}O\to A+6HF$:

Q. Describe the three steps involved in the leaching of bauxite to get pure alumina (equations not expected).

Q. At a given temperature and pressure nitrogen gas is more soluble in water than helium gas. Which one of them has a higher value of $K_H$?

Q. Name the organic product formed when chlorobenzene is treated with sodium in dry ether?

Q. Give any two differences between lanthanoids and actinoids.

Q. a) For the given complex $\left[Co\right(N{H}_3{)}_{5}Br]S{O}_4$, write the IUPAC name and its ionisation isomer.
b) Which set of d-orbitals of metal ion/atom experience more repulsion in octahedral field created by the ligand?

Q. Name the process usually employed for the purification of nickel?

Q. Write the equations involved in the preparation of nitric acid by Ostwald's process by maintaining the reaction conditions.

Q. a) Derive integrated rate equation for the first order reaction.
b) According to collision theory, what are the two factors that lead to effective collisions?

Q. Explain saponification of oils/fats with equation.

Q. a) Which is the strongest acid among the hydrogen halides? Give one reason $[X=F,Cl,Br,I]$.
b) Write the structure of chloric acid $\left(HCl{O}_3\right)$.

Q. Name the product formed when phenol is treated with acidified solution of $N{a}_{2}C{r}_2{O}_7.$ Give equation.

Q. Complete the following equations:
a) $C{H}_4+2O_2⟶$

Q. A reaction is first order with respect to the reactant A and second order with respect to the reactant B in a reaction $A+B\to$product.
i) Write the differential rate equation.
ii) How is the rate of the reaction affected on increasing the concentration of B by two times?

Q. With the help of Valence bond theory account for hybridisation, geometry and magnetic property of $\left[Ni\right(CN{)}_4{]}^{2-}$ complex ion $[Z$ for $Ni=28]$.

Q. State Faraday's first law of electrolysis. For the electrode reaction $Z{n}^{2+}+2e^{-}\to Z{n}_{\left(s\right)}$, what quantity of electricity in coulombs required to deposit one mole of zinc?

Q. Identify A and B in the above reaction:

Q. What is meant by the term coordination number in solids? What is the coordination number in a face centered cubic close packing structure?

Q. Write the equations involved in the preparation of potassium dichromate from chromite ore.

Q. a) A solution containing 18g of non-volatile non-electrolyte solute is dissolved in 200 g of water freezes at 272.07 K. Calculate the molecular mass of the solute.

Q. Deficiency of which vitamin causes the disease pernicious anaemia?

Q. Give reason (one each) for the following:
a) Transition metals are good catalytic agent
b) Second ionisation enthalpy of copper is very high
c) The spin only magnetic moment of $S{c}^{3+}$ is zero $(Z=21)$

Q. What happens to molar conductivity when one mole of $KCl$ dissolved in one litre is diluted to five liters?

Q. What is the role of these as food additives?
i) Sodium benzoate
ii) Aspartame

Q. a) Calculate the packing efficiency in a unit cell of Cubic Close Packing (CCP) structure?
b) Name the crystal defect which lowers the density in an ionic crystal?

Q. Name the above reaction.

Q. On mixing equal volumes of acetone and ethanol, what type of deviation from Raoult's law is expected?