TS Inter 2nd Year Chemistry Question Paper May 2023

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TS Inter 2nd Year Chemistry Question Paper May 2023

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 are isotonic solutions?

Question 2.
Explain the terms gangue and slag.

Question 3.
Calculate the ‘spin only’ magnetic moment of Fe²⁺_(aq) ion.

Question 4.
What are food preservatives? Give example.

Question 5.
NH₃ forms hydrogen bonds but PH₃ does not – Why?

Question 6.
What is addition polymer? Give example.

Question 7.
What are antacids? Give example. .

Question 8.
What is metallic corrosion? Give one example.

Question 9.
What is Ziegler-Natta catalyst?

Question 10.
Write the IUPAC names of the following compounds and clas-sify them into primary, secondary and tertiary amines.

i) CH₃(CH₂)₂NH₂
ii) (CH₃CH₂)₂NCH₃

Section – B

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

Question 11.
Derive Bragg’s equation,

Question 12.
Explain the terms
(i) Ligand
(ii) Coordination number
(iii) Coordination entity
(iv) Central metal atom/ion

Question 13.
Give the sources of the following vitamins and name the diseases caused by their deficiency
(a) A
(b) D
(c) E and
(d) K

Question 14.
A solution of glucose in water is labeled as 10% w/w. What would be the molarity of the solution?

Question 15.
Explain the formation of micelles with a neat sketch.

Question 16.
Explain the extraction of zinc from zinc blende.

Question 17.
Explain the structures of
(a) XeF₆ and
(b) XeOF₄.

Question 18.
a) What are Enantiomers?
b) What are ambident nucleophiles?

Section – C

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

Question 19.
a) State and explain Kohlrausch’s law of independent migration of ions.

b) What is “molecularity” of a reaction? How is it dif¬ferent from the ‘order’ of a reaction? Name one bi- molecular and one trimolecular gaseous reactions.

Question 20.
How is ozone prepared from oxygen? Explain its re-action with
(i) C₂H₄
(ii) K1
(iii) Hg
(iv) PbS

Question 21.
Describe the following :
i) Acetylation
ii) Cannizaro reaction
iii) Cross aldol condensation
iv) Decarboxylation