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
Identify P, Q & R in the following reactions:
- Answer)
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The incorrect one among the following is:
- Answer)
(c)
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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
- Answer)
p-methylphenol < Phenol < p- chlorophenol < p-nitrophenol
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Oxidation with hot Copper Catalyst can be used to distinguish 10 , 20 and 30-alcohols. Explain.
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Write the name of the oxidising agent which can effect the following conversion:
CH3-CH=CH-CH2OH → CH3-CH=CH-CHO
- Answer)
PyridiniumChloroChromate
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Arrange the given set of compounds in their increasing order of boiling points:
(a) C2H5OH, CH3CH2Cl, CH3-O-CH3
(b) C6H5OH, C6H5CH3 , C6H5Cl
- Answer)
(a) CH3-O-CH3 < CH3-CH2-Cl < CH3-CH2-OH
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How will you convert Benzene into Phenol?
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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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Write the sequence of reactions which results in the formation of 2-Methylbutan-2-ol starting from acetone
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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.
- Answer)
(c) Hydroboration-Oxidation of alkenes gives a final product in accordance with Markovnikov's
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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
- Answer)
(d)
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Give the products of the following reaction?
?
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