Question Pool Alcohols, Phenols and Ethers

Alcohols, Phenols and Ethers - SAMAGRA Question Pool & Answers | Class 12

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 12 Chemistry Alcohols, Phenols and Ethers

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Qn 1.

Identify P, Q & R in the following reactions:



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Qn 2.

The incorrect one among the following is:



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Qn 3.

Arrange the following compounds in their increasing order of acidic strength and justify your answer:

(a) Phenol  (b) p-nitrophenol  (c) p-methylphenol and (d) Chlorophenol



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Qn 4.

Oxidation with hot Copper Catalyst can be used to distinguish 10 , 20 and 30-alcohols. Explain.

 



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Qn 5.

Write the name of the oxidising agent which can effect the following conversion:

CH3-CH=CH-CH2OH → CH3-CH=CH-CHO



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Qn 6.

Arrange the given set of compounds in their increasing order of boiling points:

(a) C2H5OH, CH3CH2Cl, CH3-O-CH3

(b) C6H5OH, C6H5CH3 , C6H5Cl



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Qn 7.

How will you convert Benzene into Phenol?



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Qn 8.

Write the chemical reaction representing the preparation of propyl tert-butyl ether  (2-methyl-2- propoxypropane) by Williamson's synthesis method.



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Qn 9.

Write the sequence of reactions which results in the formation of 2-Methylbutan-2-ol starting from acetone



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Qn 10.

The incorrect statement regarding the preparation of alcohols by different methods is:

(a) Formaldehyde when treated with RMgX followed by hydrolysis gives a primary alcohol

(b) Acid catalysed hydration of alkenes to give alcohols occurs in accordance with Markovnikov's rule.

(c) Hydroboration-Oxidation of alkenes gives a final product in accordance with Markovnikov's rule.

(d) Carboxylic acids produce only primary alcohols on reduction.



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Qn 11.

The correct pair of common and IUPAC names among the following is:

(a)Sec- Butyl alcohol   : Butan-1-ol

(b)Isobutyl alcohol        : 2-Methylbutan -1-ol

(c)n-Butyl alcohol         : Butan-2-ol

(d)tert-Butyl alcohol     : 2-Methylpropan-2-ol


 



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Qn 12.

Give the products of the following reaction?

               

?



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