CBSE Class 12 Chemistry Question Paper Solved 2019 Set J

CBSE Class 12 Chemistry Question Paper Solved 2019 Set J. Students can download the last year board exams 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.

SECTION A

1. Write the IUPAC name of the following compound :

2. Write IUPAC name of the complex [Co(en)₂Cl₂]⁺.

OR

Using IUPAC norms, write the formula of Sodium tetrachloridonickelate(II).

4. What is the difference between a glycosidic linkage and a peptide linkage ?

OR

What is the difference between Nucleotide and Nucleoside ?

5. Arrange the following in increasing order of their acidic character :

Ethanol, Phenol, Water

SECTION B

6. (a) Out of 0·1 molal aqueous solution of glucose and 0·1 molal aqueous solution of KCl, which one will have higher boiling point and why ?

(b) Predict whether van’t Hoff factor, (i) is less than one or greater than one in the following :

(i) CH₃COOH dissolved in water

(ii) CH₃COOH dissolved in benzene

7. What happens when AgCl is doped with CdCl₂ ? What is the name of this defect ?

OR

What type of defect is shown by NaCl in

(a) stoichiometric defects, and

(b) non-stoichiometric defects ?

8. Complete and balance the following equations :

(a) NH₃ (excess) + Cl₂¾¾®

(b) XeF₆ + 2H₂O¾¾®

OR

Write balanced chemical equations involved in the following reactions :

(a) XeF₄ reacts with SbF₅. 

(b) Ag is heated with PCl₅. 

Please click the link below to download pdf file of CBSE Class 12 Chemistry Question Paper Solved 2019 Set J.