FSC Part 2 Chemistry Chapter Wise Notes Unit No-6

FSC Part 2 Chemistry Chapter Wise Notes

2nd Year Chemistry Chapter Wise Notes contains important MCQs, Short Questions and Long Questions.

Chapter 6 Notes Chemistry 2nd Year

Transition Elements

Each question has four possible answers. Select the correct answer and circled it.    

v  Which of the following is a non typical transition element             

(a) Cr                    (b) Mn                               

(c) Zn                   (d) Fe

v  The strength of binding energy of transition elements depends upon

(a) number of electron pairs     

(b) number of unpaired electron  

(c) number of neutrons             

(d) no’s  of neutrans

v  Group VI B of transition elements contains

(a) Zn, Cd, Hg          (b) Fe, Ru, Os                   

(c) Cr, Mo, W           (d) Mn, Te, Re

v  The aqueous solution of  [Ti(H₂O)₆]⁺³ has colour                            

(a) violet              (b) yellow           

(c) blue                (d) green

v  Which one of them is the formula of limonite                  

(a) Fe₃O₄              (b) Fe₂O₃            

(c) FeO    (d) Fe₂O₃2H₂O

v  In bessember process air blast is continued for

(a) 15-20 minutes           (b) 25-30 minutes             

(c) 10-15 minutes           (d) 5-10 minutes

v  How much iron is destroyed by corrosion every year of Annual production

(a)1/3th                (b) 1/4^th                             

(c) 1/2th               (d) 1/5^th

v  Which steel is used in manufacturing of railes axels and casting

(a) Mild steel                            

(b) Medium carbon steel  

(c) High carbon steel                

(d) None of them

v  Steel is alloy of Iron containing 0.25 to 2.5% carbon and traces of

(a) S                    (b) P                                 

(c) Si, Mn           (d) all of them

v  The colour of K₂Cr₂O₇ is         

(a) Orange                (b) Orange Red                 

(c) Yellow                (d) Red

B).         Give Short Answer of the following                                                                                     

1. Why transition metal complexes are coloured.       

2.What are interstitial compounds give examples.

3. What are ligands give example. 

4.How does the Rusting of Iron is prevented by Galvanizing or Zinc coating.

5.  What is chromyle chloride test.

Q.2. (a)  Write a Method for preparation of wrought Iron from Cast Iron.                                               

        (b)          Complete and Balance the following Equations                                                                 

          

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