2nd Year Chemistry Chapter 13 MCQs Short and Long Questions

2nd Year Chemistry Chapter 13 Important Questions

2nd Year Chemistry Chapter 13 important Questions with mcqs short and long questions for fsc annual examination Punjab Boards.

2nd Year Chemistry Chapter 13 Notes

Carboxylic Acids

                                                                         

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

v  Acetic acid is manufactured by

(a) distillation                  

(b) Fermentation  

(c) Ozonolysis                  

(d) estrification

v  Which acid is used in manufacturing of synthetic fibre

(a) Formic acid                

(b) Oxalic acid     

(c) Acetic acid                 

(d) carbonic acid

v  Which following derivative cannot be prepared directly from acetic acid

(a) Acetyl chloride          

(b) Acetamide                  

(c) Acetic anhydride        

(d) Ethyl acetate

v  Which reagent is used to reduce a carboxylic acid into alcohol

(a) H2/pt                          

(b) H₂/Ni              

(c)NabH₄                          

(d) Li AlH₄

v  Which of the following is not a fatty acids

(a) Pthalic acid                

(b)propanoic acid

(c) Acetic acid                 

(d) Butanoic acid

v  Which one of them is the formula of ethanedioic acid

(a) (COOH)₂                    

(b) CH₃-COOH    

(c)CH₂-CH(COOH)         

(d) HOOC-CH₂-COOH

v  Which one of them is the formula of palmitic acid

(a) C₁₅H₃₁COOH              

(b) C₁₇H₃₅COOH 

(c)  C₁₆H₃₂COOH             

(d) C₁₇H₃₄COOH

v  Which acid has high m.p

(a)Butanoic acid              

(b) propanoic acid                 

(c) pentanoic acid                        

(d) none of them

v  Glycine is the example of

(a)Acidic amino acid       

(b) Basic amino acid

(c)  Neutral amino acid   

(d)  None of them

v  Histidine is the example of

(a) Basic amino acid        

(b) Acidic amino acid      

(c) Neutral                       

(d) None of them

B).       Give Short Answer of the following                                                                       

1.         What is essential and Non essential Amino Acids.

2.         How will you convert Acetic Acid into Methane

3.         How will you convert Acetic acid into acetone.

4.         How will you prepare the acetic anhydride from acetic acid

5.         Write the mechanism of acetic acid with SoCl₂

Q.No.2.                                                                                                                                  

(a)         How will you prepare the Acetic Acid from following Methods

            (i) By the oxidation of ethyl Alcohol

            (ii) By Hydrolysis of Methyl nitrile

            (iii) From Acetylene

            (iv) From Grignards reagents.

(b)       Write two method for synthesis of amino acid.  

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