TS Inter 2nd Year Chemistry Question Paper May 2022

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TS Inter 2nd Year Chemistry Question Paper May 2022

Section – A

Note : i) Answer ANY TEN questions.
ii) Each Question carries TWO marks.
iii) ALL are very short answer type questions.

Question 1.
What is Schottky defect?

Question 2.
What are f-centers?

Question 3.
How do you distinguish between crystal lattice and unit cell?

Question 4.
Define osmotic pressure.

Question 5.
What is an ideal solution?

Question 6.
State Henry’s law.

Question 7.
What is coagulation?

Question 8.
Name any two applications of colloidal solutions.

Question 9.
What is inert pair effect?

Question 10.
What is tailing of mercury? How is it removed?

Question 11.
CUSO₄-5H₂O is blue in colour whereas anhydrous CuS04 is colourless. Why?

Question 12.
Define denaturation as related to proteins.

Question 13.
What are essential and non-essential amino acids ? Give one example for each.

Question 14.
What is Tollens reagent? Explain its reaction with Aldehydes.

Question 15.
Write the reaction showing a-halogenation of carboxylic acid and give its name (HVZ reaction).

Section – B

Note : i) Answer ANY SIX questions.
ii) Each Question carries FOUR marks.
iii) ALL are of short answer type questions.

Question 16.
Derive Bragg’s equation.

Question 17.
What is electrolysis? Give Faraday’s first law of electrolysis.

Question 18.
What are different types of adsorption? Give any four differences between characteristics of these different types.

Question 19.
What are lyophilic and lyophobic sols? Compare the two terms in terms of stability and reversibility.

Question 20.
How are XeF₂ and XeF₂ prepared? Give their structures.

Question 21.
How is chlorine obtained in the laboratory? How does it react with the following?
a) cold dil. NaOH
b) excess NH₃

Question 22.
How does SO₂ react with the following ?
a) Na₂ SO₃ (aq)
b) Cl₂
c) Fe⁺³ ions
d) KMnO₄

Question 23.
Write the characteristics properties of transition elements.

Question 24.
Explain Werner’s theory of coordination compounds with suitable examples.

Question 25.
Using IUPAC norms write the formulas for the following :
i) Tetrahydroxozincate (II)
ii) Hexamminecobalt (III) sulphate
iii) Potassium tetrachloropalladate (II) and
iv) Potassium tri (oxalato) chromate (III)

Question 26.
What are nucleic acids ? Mention their two important functions.

Question 27.
Explain the mechanism of Nucleophilic bimolecular substitution (S_N ² ) reaction with one example.

Question 28.
With a suitable example write equations for the following:
i) Reimer-Tiemann reaction.
ii) Williamsons ether synthesis.

Question 29.
Accomplish the following conversions :
i) Benzoic acid to benzatnide
ii) Aniline to p-bromoaniline

Section – C

Note : i) Answer ANY TWO questions.
ii) Each Question carries EIGHT marks.
iii) ALL are of long answer type questions.

Question 30.
a) State Raoult’s law.
b) Define mole fraction. Calculate the mole fraction of H₂SO₄ in a solution containing 98% (w/w) H₂ SO₄ by mass.

Question 31.
a) State and explain Kohlrausch’s law of independent migration of ions.
b) Define Order of a reaction. Illustrate your answer with an example. Define molecularity of a reaction. Illustrate with an example.

Question 32.
How is nitric acid manufactured by Ostwald’s process? How does it react with the following?
a) Copper
b) Zn
c) S₈
d) P₄

Question 33.
Describe the following :
i) Acetylation
ii) Canizaro reaction
iii) Cross aldol condensation
iv) Decarboxylation