CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 02

CBSE Class 12 Chemistry Question Paper SA 2 2013 (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.

(1) Acubic crystalline solid contains Xatoms at the corners and Y atoms at the body center. If one atom from the corner is missing what will be thesimplest formula of theresulting solid? 

(2) Though a ZnS sample has 5% freckle defect,the density ofsolid remains unaffected.Why? 

(3)What type of plot (shap)is obtained for concentration versus time for zero order reactions? 

(4) The rate of the reaction 3A + 2B --->products is given by rate expression rate= K[ A] [B]2 . If A taken is in excess what would be the order of the reaction? 

(5) Which of the following hydride has the largest bond angle H2O orH2S 

(6)Name the vitamins whose deficiency is responsible for: 

(i) Poor coagulation of blood

(ii) Perniciousanemia

(7)Convert : Chloroethane to butane 

(8)Give IUPAC name ofCH3-CH-CH- CH-CH2OH Cl CH3CH3 

(9)Calculate the value of Avogadro number from the following data:  Density of NaCl=2.165 g/cm3,Edge length of unit cell=562 pm

(10) Two cells containing AgNO3 and CuSO4 are connected in series, a steady current is passed through them until 3.24 g of Ag deposited, What mass of Cu will be deposited? {Cu=63.5 ,Ag=108} 

(11) What type of colloidal sols whether multimolecular or macromolecular are formed in the following

(a) Sulphurvapours are passed through cold water. 

(b) White of an egg is mixed with water.

Please click the link below to download pdf file of CBSE Class 12 Chemistry Question Paper SA 2 2013 (2).