Q. Explain the difference between a double-salt and a complex, giving an example in each case.

Q. Write the names of the monomers of PHBV polymer.

Q. Give overall reaction of Daniel cell and write mathematical expression of Nernst equation for it.

Q. Describe any two differences in substitution nucleophilic bimolecular $\left(S_{N}2\right)$ and substitution nucleophilic unimolecular $\left(S_{N}1\right)$ reaction mechanisms

Q. Draw labelled diagram of Zone refining process. In which this process is useful?

Q. What are the thermosetting polymers?

Q. What is the half-life period of reaction? Justify from the rate equation for first-order reactions that the half-life period for such reaction is independent of the initial concentrations of the reactants.

Q. Explain actinoid contraction.

Q. Write Kohlrausch law and give one application of it :

Q. Can we store $CuS{O}_4$ solution in an iron vessel? Explain

Q. Assuming that atoms are touching each other, calculate the efficiency of packing in case of a crystal for simple cubic metal?

Q. Why is the highest oxidation state of a metal exhibited in its oxide or fluoride only?

Q. How will you convert sodium acetate to methane in one step?

Q. Predict the products of the following reactions:
(a) $C{H}_3-C{H}_2-Br+AgCN\underset{(aq.alcohol)}{⟶}$
(b) $C{H}_3-C{H}_2-Br+KN{O}_2\underset{(aq.alcohol)}{⟶}$
(d) $C{H}_3-I+Mg\stackrel{dryether}{\to }$

Q. How will you convert phenol to benzene?

Q. Draw labelled diagram of electrolytic cell for the extraction of aluminium and the overall reaction taking place in it.

Q. What is the major product when ethanol is treated with $conc.H_{2}S{O}_4$ at $413K$?

Q. Write that chemical reaction which confirm the presence of carbonyl group in glucose

Q. Silver atom has completely filled d-orbitals $\left(4d^{10}\right)$ in its ground state, even then it is a transition element. How?

Q. How is Nylon $6,6$ obtained? Give reaction.

Q. What are monosaccharides?

Q. Write the reactions of (i) aliphatic and (ii) aromatic primary amines with nitrous acid:

Q. Explain the applications of coordination compounds in the field of metal purification giving an example:

Q. Write the IUPAC name of $\left[Ag\right(N{H}_3{)}_2\left]\right[Ag\left(CN{)}_2\right]$ coordination compound.

Q. Give the order of the following reactions:
(a) Artificial radioactive decay
(b) Decomposition of gaseous ammonia on a hot Pt-surface at high pressure
(c) Hydrogenation of ethene
(d) Decomposition of $N_2{O}_5$

Q. What happens when the $1^{\circ }$ and $2^{\circ }$ alcohols are oxidised by anhydrous chromium trioxide $\left(Cr{O}_3\right)$? Write chemical equations.

Q. Write the coupling reaction of benzene diazonium chloride with phenol

Q. Write Hofmann's bromamide reaction.

Q. Write the complete chemical reaction of rusting of iron.

Q. Classify Vitamins $A,B,C$ and $D$ depending upon their solubility in water and fat and compare them.