AP Inter 2nd Year Chemistry Question Paper April 2022

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AP Inter 2nd Year Chemistry Question Paper April 2022

Note : Read the following instructions carefully.

1. Answer all questions of Section – ‘A’. Answer any six questions in Section – ‘B’ and any two questions in Section – ‘C’.
2. In Section – A, questions from Sr. Nos. 1 to 10 are of “Very Short Answer Type”. Each question carries two marks. Every answer may be limited to 2 or 3 sentences. Answer all these questions at one place in the same order.
3. In Section -”’8′, questions from Sr. Nos. 11 to 18 are of “Short Answer Type”. Each question carries four marks. Every answer may be limited to 75 words.
4. In Section – ‘C’, questions from Sr. Nos. 19 to 21 are of “Long Answer Type”. Each question carries eight marks. Every answer may be limited to 300 words.
5. Draw labelled diagrams wherever necessary for questions in Section – ‘B’ and ‘C’.

Section – A

Note : Answer all the questions.

Question 1.
What is Frenkel defect?

Question 2.
What are isotonic solutions?

Question 3.
How is Gibbs Energy (G) related to the cell emf (E) math-ematically?

Question 4.
Sky appears blue in colour. Explain.

Question 5.
SO₂ can be used as an gntichlor. Why?

Question 6.
In modem diving apparatus, a mixture of He and O₂ is used. Why?

Question 7.
Calculate ‘Spin only’ magnetic moment of Fe²⁺(Aq.) ion.

Question 8.
What is ambident nucleophile?

Question 9.
Compare the acidic strengths of acetic acid, chloro acetic acid, benzoic acid and phenol.

Question 10.
What is Zwitter ion? Give one example.

Section – B

Note : Answer any SIX questions. 

Question 11.
Derive Bragg’s equation.

Question 12.
a) What is relative lowering of vapour pressure?
b) Calculate the mole fraction of H₂SO₄ in a solution con- tabling 98% H₂SO₄bymass. .

Question 13.
Derive an integrated rate equation for the first order reac-tion.

Question 14.
What are different types of adsorptions? Give any four dif-ferences between characteristics of these different types.

Question 15.
How does chlorine react with (a) cold, dil.NaOH (b) NH₃ (Excess)?

Question 16.
Explain Werner’s theory of co-ordination compounds with suitable examples.

Question 17.
Explain the mechanism of nucleophilic bimolecular substi-tution (S_{N2) reaction.}

Question 18.
a) What are nucleic acids ? Mention their two important functions.

b) What happen when D-Glucose treated with (i) HI (ii) Bromine water?

Section – C

Note : Answer any TWO questions.

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

b) What is Arrhenius equation? Derive an equation which describe the effect of raise of temperature (T) on the rate constant (K) of a reaction.

Question 20.
a) How is nitric acid manufactured by Ostwald’s process?
b) Explain Os reactions with
(i) C₂H₄
(ii) KI (moist)
(iii) Hg
(iv) PbS

Question 21.
With a suitable examples write equations for the following.
a) Williamson’s synthesis.
b) Cannizzaro reaction.
c) Reimer – Tiemann reaction.
d) carbyl amine reaction.