1. (i) Natural gas + Air ⟶A \longrightarrow \mathrm{A} ⟶A
A A A is an organic fertilizer and B B B is study materials.
What is Lucas reagent?
Why does ETP used in industry?
Write down the principle of manufacturing of A A A in the stem.
Explain whether preparation of B B B from Y Y Y source than X source is more profitable or not. 4
2. CGas \mathrm{C} \mathrm{Gas} CGas is produced by thermal decomposition of KClO3 \mathrm{KClO}_{3} KClO3 :
What is peptide bond?
"Alkyne-l is acidic" explain.
Calculate the r.m.s velocity of C \mathrm{C} C gas at S.T.P.
Why the graph of B and C gas is not identical to A graph? Explain.
3.
What is enantiomer?
At room temperature, ethane is a gas and ethanol is liquid. Why?
How can the standard solution of the stem be converted to a centimolar solution?
Use the solutions of the stem and calcula percent impurity of impure copper.
4. CHX2−CHX2→ΔZnA→450∘CFeB→H2SO4 (conc.) HNO3 conc. C+H2O \mathrm{CHX}_{2}-\mathrm{CHX}_{2} \xrightarrow[\Delta]{\mathrm{Zn}} \mathrm{A} \xrightarrow[450^{\circ} \mathrm{C}]{\mathrm{Fe}} \mathrm{B} \xrightarrow[\mathrm{H}_{2} \mathrm{SO}_{4} \text { (conc.) }]{\mathrm{HNO}_{3} \text { conc. }} \mathrm{C}+\mathrm{H}_{2} \mathrm{O} CHX2−CHX2ZnΔAFe450∘CBHNO3 conc. H2SO4 (conc.) C+H2O
What is a chiral carbon?
Why is annealing of glass necessary?
Show the mechanism of the reaction for the preparation of C compound from compound B. 3
Will the nature of the compound A A A and the compound obtained from the reduction of C \mathbf{C} C be same or different? Analyse.
5.
EZn2+/Zn0=−0.76 V;EM2+/M0=−0.126 V \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}}^{0}=-0.76 \mathrm{~V} ; \mathrm{E}_{\mathrm{M}^{2+} / \mathrm{M}}^{0}=-0.126 \mathrm{~V} EZn2+/Zn0=−0.76 V;EM2+/M0=−0.126 V
What is TDS?
Why does leather need to be tanned.
To increase cathode weight by 1 g 1 \mathrm{~g} 1 g how much time of electric supply is needed through the solution?
Justify the probability of storing the electrolytic solution in M container for longer period of time.