Fsc Chemistry 2nd Year Important MCQs, Short and Long Questions Unit#7

2nd Year Chemistry MCQs Short and Long Questions

Fsc Chemistry 2nd Year Important MCQs, Short and Long Questions Unit#7 according to new study scheme of Punjab Boards.

Chapter No.7 Chemistry 2nd Year

Fundamental Principles Of Organic Chemistry

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

1.    The state of hybridization of carbon atom in Methane is          

(a) Sp³             (b) Sp²            

(c) Sp              (d) dSp²

2.   The chemist who synthesized urea from Ammonium ajanete was

(a) Berzelius          (b) Kolb                     

(c) Wholer            (d) Lavoiser

3.    Linear shape is associated with which set of hybrid orbitals

        (a) Sp                  (b) Sp²            

        (c) Sp³                 (d) dSp²

4.   A triple bond consist of

(a) two sigma and one pi bond     

(b) one sigma and two pi bond 

(c) One sigma one pi bond           

(d) None of them

5.   Ethers show the phenomene of

(a) Position Isomerism     

(b) Functional group isomerism 

(c) Metamerism                

(d) Cis-trans Isomerism

6.   Select from the following which one is carboxylic acid

(a) CH₃-CH₂-OH               (b)CH₃-O-CH₃                       

(c)CH₃COOH                    (d) CH₃-CH₂-Br

7.   How much percentage of coal is used in bake bricks     

       (a) 90%                (b) 70%                      

       (c)60%                 (d) 80%

8.   In thermal cracking of petroleum the product obtained are 

       (a) ethane             (b) propene    

       (c) Butane            (d) a and b

9. In steam cracking of petroleum the temp is kept               

      (a) 900C^o   (b) 100C^o       

      (c) 800C^o   (d) 700C^o

B).       Give Short Answer of the following                                                                       

1. Why vital force theory was rejected? 

2. What is cis-tran isomerism give examples?

3. Write the Functional group pf acid amide and thioalcohol with one, one example. 

4. Define catalytic cracking and where it is used. 

5. What is natural gas write two uses of natural gas

Q.2. (a) Define reforming of petroleum. Also explain knocking and octane number with examples.     

        (b) Define Isomerism, Explain four types of structural Isomerism with examples. 
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