CBSE Class 12 Chemistry Question Paper Delhi with answers 2017 Set 02

CBSE Class 12 Chemistry Question Paper Delhi with answers 2017 (2). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

 CHEMISTRY (Theory)

1. Write one similarity between Physisorption and Chemisorption.

2. Write the structure of 2,4-dinitrochlorobenzene.

3. For a reaction R ––→ P, half-life (t1/2) is observed to be independent of the initial concentration of reactants. What is the order of reaction ?

4. CH₃NHCH(CH₃)^₂  Write IUPAC name of the following compound :  CH₃NHCH(CH₃)^₂ 

5. Write the formula of an oxo-anion of Chromium (Cr) in which it shows the oxidation state equal to its group number.

6. Calculate the degree of dissociation (α) of acetic acid if its molar conductivity (∧m) is 39.05 S cm²mol–1.

    Given λo(H⁺) = 349.6 S cm² mol^–1 and λo(CH₃COO–) = 40.9 S cm² mol^–1

7. Draw the structures of the following :

(i) H₃PO₂

(ii) XeF₄

8. Define the following terms :

(i) Ideal solution

(ii) Molarity (M)

9. Complete the following reactions :

(i) Cl2 + H₂O ––––→

(ii) XeF₆ + 3H₂O ––––→

                   OR

What happens when

(i) conc. H₂SO₄ is added to Cu ?

(ii) SO₃ is passed through water ?

Write the equations.

10. Write the reactions involved in the following :

(i) Hell-Volhard Zelinsky reaction

(ii) Decarboxylation reaction

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