JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank

done Numerical Value Type Questions - Alcohols, Phenols and Ethers Total Questions - 15

• question_answer1)
  Among the given hydroxyl compound how many will give precipitate immediately when treated with concentrated hydrochloric acid and anhydrous zinc chloride. 3-methyl-2-butanol; 3-methyl-1-butanol; 1-butanol; 2-methyl-2-butanol; 2, 3-dimethyl-2-butanol, 2, 3-dimethyl-1-butanol
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• question_answer2)
  How many products are formed in above reaction?
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• question_answer3)
  An ether (A), \[{{C}_{5}}{{H}_{12}}O,\], when heated with excess of hot concentrated HI produced two alkyl halides which when treated with NaOH yielded compounds (B) and (C). Oxidation of (B) and (C) gave a propanone and an ethanoic acid respectively. In the compound A, at which carbon of alkane is the ether group attached?
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• question_answer4)
  How many of the given reaction will form tert-Butyl ethyl ether?

  (I) \[tert-Bu\tan ol+Ethanol\xrightarrow{{{H}^{+}}}\]

  (II) \[tert-Butyl\,bromide+Sodium\text{ }ethoxide\xrightarrow{{}}\]

  (III) \[Sodium\,\,tert-butoxide+Ethyl\,bromide\xrightarrow{{}}\]

  (IV) \[Isobutene+Ethanol\xrightarrow{{{H}^{+}}}\]

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• question_answer5)
  Which of the following statements is/ are true?

  (I) Ethers are soluble in cone. \[{{H}_{2}}S{{O}_{4}}\] but separate out on addition of water.

  (II) Ethers are used as solvents for \[B{{F}_{3}}\] and Grignard reagent.

  (III) Mononitration of p-methylanisole gives 2-nitro- 4-methylanisole

  (IV)  Monobromination of p-ethoxyphenol gives 2-bromo- 4-ethoxyphenol

  (V) 4-Chlorophenol (I) will dissolve in NaOH but 4-chloro-1 -methyl benzene (II) will not.

  (VI)   4-Methyl benzoic (III) acid will dissolve in aq. \[NaHC{{O}_{3}}\] but 4-methyl phenol (IV) will not.

  (VII) 2, 4, 6-Trinitrophenol (V) will dissolve in aq. but 4-methyl phenol (VI) will not.

  (VIII) 4-Ethyl phenol (VII) will dissolve in aq. NaOH but ethyl phenyl ether (VIII) will not.

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• question_answer6)
  Generally, phenols, 1, 3, 1, 4-benzenediols and 1, 3, 5- benzenetriols do not react with\[NaB{{H}_{4}}/{{H}_{3}}{{O}^{+}}\]. However, 1, 3, 5-benzenetriol (phloroglucinol) gives a high yield of product (B). The compound (B) has how many functional groups on benzene ring?
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• question_answer7)
  How many members are there in the ring of structure of A?
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• question_answer8)
  How many among the below given compounds correctly match the products of the given reaction sequence?

  (I)

  (II)

  (III)

  (IV)

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• question_answer9)
  The reactivity of compound Z with different halogens under How many among the below given statements correctly explains pattern of eictrophilic substitution?

  (I) The steric effect of the halogen.

  (II) The steric effect of the tert-butyl group.

  (III) The electronic effect of the phenolic group.

  (IV) The electronic effect of the tert-bvityl group.

  (V) The mesomeric effect of tert-butyl group.

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• question_answer10)
  When phenol is reacted with \[CHC{{l}_{3}}\] and NaOH followed by acidification, salicylaldehyde is obtained. How many among following species are involved in the above mentioned reaction as intermediates?

  (I)

  (II)

  (III)

  (IV)

  (V)

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• question_answer11)
  How many total number of carbon has \[s{{p}^{2}}\] hybridization in the compound X and Y?
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• question_answer12)
  Total number of isomers, considering only structural isomers of cyclic ethers with the molecular formula \[{{C}_{4}}{{H}_{8}}O\] is ________.
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• question_answer13)
  What amount of bromine will be required to convert 2g of phenol into 2, 4, 6 -tribromophenol?
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• question_answer14)
  Calculate the number of metamers represented by molecular formula \[{{C}_{4}}{{H}_{10}}O\].
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• question_answer15)
  How many number of dihydric phenols possible with the molecular formula \[{{C}_{6}}{{H}_{6}}{{O}_{2}}\].
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