CBSE Class 12 Chemistry Question Paper 2016 S Set 03

CBSE Question Paper 2016 Set 3S. he 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 

1.Write the IUPAC name of the given compound :

2. What type of magnetism is shown by a substance if its domains are arranged in equal number and in opposite directions ?

3.On  heating  Zn  granules  with  conc.HNO3,a brown  gas  is evolved which undergoes dimerization on cooling.  Identify the gas. 

4.What is the reason for the stability of colloidal sols ?

5. Out of CH2=CH  -CH2Cl  and CH3-CH2-CH2Cl,  which  is more reactive towards SNl reaction ?

6. When pyrolusite  ore Mn02  is fused  with  K0H in  presence  of air,  a green coloured compound (A) is obtained which undergoes disproportionation reaction in acidic medium to give a purple coloured compound (B) : 

(i)  Write the formulae of the compounds (A) and (B).

(ii) What happens when compound (B) is heated ?

7.When  a coordination compound PdCl2. 4NH3 is mixed with AgN03, 2 moles of AgCl are precipitated per mole of the compound. Write :

(i)  Structural formula of the complex

(ii) IUPAC name of the complex

8.For the given cells :

Lead storage cell, Mercury cell, Fuel cell and Dry cell Answer the following :

(i)   Which cell is used in hearing aids ?

(ii)  Which cell was used in Apollo space programme ? 

(iii) Which cell is used in automobiles and inverters ?

(iv)  Which cell does not have long life ?

Please click below link CBSE Class 12 Chemistry Question Paper 2016 Set 3S