मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Reaction between hot conc. HI and anisole gives ______________

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प्रश्न

Reaction between hot conc. HI and anisole gives ______________

पर्याय

  • phenol and methyl iodide

  • iodobenzene and methyl alcohol

  • iodobenzene and methyl iodide

  • phenol and methyl alcohol

MCQ
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उत्तर

Reaction between hot conc. HI and anisole gives phenol and methyl iodide

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पाठ 11: Alcohols, Phenols and Ethers - Multiple choice questions

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संबंधित प्रश्‍न

Answer in one sentence/ word.

Hydroboration-oxidation of propene gives _________.


Answer in one sentence/ word.

Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.


Answer in brief.

Give a simple chemical test to distinguish between ethanol and ethyl bromide.


Arrange the following in decreasing order of acid strength.

CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH


Write IUPAC name of crotonyl alcohol.


What is the action of following reagents on pent-3-enal?

  1. H2/Ni
  2. LiAlH4/H3O+

Name the reagents used to convert phenol into

  1. picric acid
  2. p-benzoquinone

What is the action of following on phenol at low temperature?

  1. dil. HNO3
  2. conc. H2SO4
  3. Br2/CS2

An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.


What is the action of conc. H2SO4 on carbolic acid at 373 K.


Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.


\[\ce{C3H8O ->[KMnO4][(Oxidation)] C3H6O2}\]

The compound C3H8O is a/an ____________.


Which alcohol is difficult to oxidise?


Cumene is used in the commercial method for the manufacture of ____________.


\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]

Identify A.


The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.


What is INCORRECT about the product written in the below given reaction?

\[\ce{R - CH2 - OH ->[PCC] R - COOH}\]


Which of the following conversion explains the acidic nature of alcohols?


Which following reagent is used to obtain alkene from alcohol?


A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.


Which among the following phenolic compound is most acidic in nature?


Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?


Which of the following compounds has lowest boiling point?


The order of reactivity of hydrogen halides with ether is as follows.


Arrange the following compounds in an increasing order of their solubility in water:


Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).


What is the commercial method of preparation of phenol?


Which of the following is trihydric phenol?


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