1. (i) Fe(s)/Fe2+(aq)∥Cu2+(aq)/Cu(s) (ii) Ag(s)/Ag+(aq) ∥Zn2+ (aq) /Zn(s) Given EFe/Fe2+a=0.44 V;ECu2+/Cu=0.34 VEAg′/Ag+∘=−0.799 V;EZn2+/Zn2∘=−0.76 V \begin{array}{l}\text { (i) } \mathrm{Fe}(\mathrm{s}) / \mathrm{Fe}^{2+}(\mathrm{aq}) \| \mathrm{Cu}^{2+}(\mathrm{aq}) / \mathrm{Cu}(\mathrm{s}) \\ \text { (ii) } \mathrm{Ag}(\mathrm{s}) / \mathrm{Ag}^{+} \text {(aq) } \| \mathrm{Zn}^{2+} \text { (aq) } / \mathrm{Zn}(\mathrm{s}) \\ \text { Given } \mathrm{E}_{\mathrm{Fe} / \mathrm{Fe}^{2+}}^{\mathrm{a}}=0.44 \mathrm{~V} ; \mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}=0.34 \mathrm{~V} \\ \mathrm{E}_{\mathrm{Ag}^{\prime} / \mathrm{Ag}^{+}}^{\circ}=-0.799 \mathrm{~V} ; \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}^{2}}^{\circ}=-0.76 \mathrm{~V} \\\end{array} (i) Fe(s)/Fe2+(aq)∥Cu2+(aq)/Cu(s) (ii) Ag(s)/Ag+(aq) ∥Zn2+ (aq) /Zn(s) Given EFe/Fe2+a=0.44 V;ECu2+/Cu=0.34 VEAg′/Ag+∘=−0.799 V;EZn2+/Zn2∘=−0.76 V
Write down the Faraday's first law.
Explain that HClO4 \mathrm{HClO}_{4} HClO4 is a strong acid but its conjugate base is weak.
If 160 mA 160 \mathrm{~mA} 160 mA current passed for 10 min 10 \mathrm{~min} 10 min in the cell (l), then calculate how much amount of metal would be deposited.
Which cell reaction of the stem will be occurred spontaneously? Explain it mathematically.
2.
What is chiral carbon?
Explain, 1-chloro-1-hydroxy ethane is an optically active compound.
Balance the equation of the reaction between the solutions of B \mathrm{B} B and C \mathrm{C} C by ion-electron process.
Between the solutions of A and B which one is suitable to calculate the amount of iron in solution C? Analyze.
3.
What is acid rain?
What is meant by BOD of water is 5mg/L 5 \mathrm{mg} / \mathrm{L} 5mg/L ?
How for distance white fume is formed from the HCl \mathrm{HCl} HCl and in the stem? Determine it.
Whether is it possible to explain conjugate acid-base for the reaction in the glass tube? Analyze it.
4.
What is Charles' law?
What kind of isomerism is shown by Butene-2? Explain.
How many Ni \mathrm{Ni} Ni-atom will be deposited at cathode, when electricity is passed through cell-A?
How many coulombs of electricity are to be passed to deposit remaining Ni2+ \mathrm{Ni}^{2+} Ni2+ to electrode? Calculate.
5.
What is called BOD?
H2O \mathrm{H}_{2} \mathrm{O} H2O is amphoteric.-Explain.
Calculate the concentration of solution A \mathrm{A} A in molar unit.
Whether the concentrations of B \mathrm{B} B and C \mathrm{C} C solutions are same in ppm unit? Explain mathematically.
