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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________

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प्रश्न

When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________

पर्याय

  • butanal

  • butanoic acid

  • butanone

  • isobutylene

MCQ
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उत्तर

When vapours of tert.butyl alcohol are passed over hot copper, it gives isobutylene

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

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संबंधित प्रश्‍न

Answer in one sentence/ word.

Write the name of the electrophile used in Kolbe’s Reaction.


Write two points of difference between the properties of phenol and ethyl alcohol.


Answer in brief.

Give the equations of the reactions for the preparation of phenol from isopropyl benezene.


The reagents used to convert phenol to 2,4,6-tribromophenol is _____________


Draw intramolecular hydrogen bonding structure in o-nitrophenol.


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

  1. H2/Ni
  2. LiAlH4/H3O+

Write Kolbe’s reaction.


Name the reagents used to convert phenol into

  1. picric acid
  2. p-benzoquinone

How will you bring about the following conversions?

2-methyl propan-2-ol to 2-methylpropene


Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.


α-butylene when subjected to hydroboration oxidation reaction, yields ______.


Phenol is obtained from cumene ____________.


Bromination of phenol, will NOT give:


The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.


The secondary alcohol is ____________.


Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.


Carbolic acid is oxidised by acidified sodium dichromate to give ______.


Identify reagents X, Y and Z.


\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]

Identify product 'X' in the above reactions.


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

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


Which among the following compounds is used to prepare solid fuel using calcium acetate?


Identify 'Z' in the following series of reaction:

\[\ce{Butan - 2 - ol ->[PCl3] X ->[alco. KOH] Y ->[i) H2SO4][ii) H-OH/heat] Z}\]


Identify the alcohol that reacts immediately with Lucas reagent?


The chemical test that distinguish between benzoic acid and phenol is ______.


Arrange the following compounds in order of decreasing acidity:


What is the name of isopropyl alcohol according to the carbinol system?


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