A solution of Ph3CCO2 in conc. H2SO4 gives (X) when poured into methanol X is :-
                O
               ll
(a) Ph3C-C-O-CH3

                   O
                 ll
(b) Ph2CH-C-O-CH3

(c) Ph3C-OCH3

(d) Ph3C-CH3

 

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PyridineTsCl(A)LiAlH4(B)

Product (B) of the above reaction is:

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Which of these is a reducing agent ?
1. CrO3/H+
2. KMnO4
3. LiAlH4
4. O3

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Alcohols: Preparation, Physical and Chemical Properties
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 Products obtained in the above reaction are :

(a) HCHO, HCO2H
(b) HCHO, 2HCO2H
(c) CO2, 2HCO2H
(d) CO2, HCHO, HCO2H

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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0.092 g of a compound with the molecular formula C3H8O reaction with an excess of CH3MgI gives 67.00 mL of methane at STP. The number of active hydrogen atoms present in a molecule of the compound is:
(a) one
(b) two
(c) three
(d) four

 

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Optically active 2-octanol rapidly loses its optical activity when exposed to :

(a) dilute acid

(b) dilute base

(c) light

(d) humidity

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Product Z of above reaction is :

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Which of the following compound is hemiacetal ?

(d) All of these

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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Arrange their stabilities of given gem- diols in decreasing order.

(a) I > II > III

(b) III > II > I

(c) I > III > II

(d) III > I > II 

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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 HNO3/H2SO4 (A)                  +               (B)

                               (more volatile)                     (less volatile)

Product (A) of the above reaction is:

 

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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