Glucose when heated with CH 3 OH in presence of dry HCl gas gives - and -methyl glucosides because it contains -CPMT 1982- 85-A- An aldehyde groupB- A - CH 2 OH groupC- A ring structureD- Five hydroxyl groups

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Standard XII

Chemistry

Synthesis of Phenols-I

Glucose when ...

Question

Glucose when heated with CH₃OH in presence of dry HCl gas gives glucosides because it contains
[CPMT 1982, 85]

An aldehyde group

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A - CH₂OH group

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A ring structure

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Five hydroxyl groups

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Solution

The correct option is C
A ring structure

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Similar questions

Q. Glucose, when heated with

C H_{3} O H

, in presence of dry

H C l

gas,

α -

methyl glucosides and

β -

methyl glucosides are formed. This is because it contains:

Q. D- glucose, on treating with methanol in the presence of dry

H C l

gives methyl glucoside according to the following reaction:

Mention true (T) and False (F) from the following statements:

S_{1} :

The glucosides do not reduce fehling's solution.

S_{2} :

The glucosides do not react with hydrogen cyanide or hydroxylamine.

S_{3} :

Behaviour of glucosides as stated in

S_{1}

and

S_{2}

indicates the absence of free

- C H O

group.

S_{4} :

The two forms of glucosides are enantiomers.

Q. Glucose reacts with

C H_{3} O H

, in presence of dry

H C l

gas, to form:

Q. Glucose reacts with

C H_{3} O H

in the presence of dry

H C l

to give:

Q. D - Glucose reacts with anhydrous methyl alcohol in the presence of dry

H C l

gas to form

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Glucose when heated with CH3OH in presence of dry HCl gas gives glucosides because it contains[CPMT 1982, 85]

The correct option is C A ring structure

Glucose when heated with CH₃OH in presence of dry HCl gas gives glucosides because it contains
[CPMT 1982, 85]

The correct option is C
A ring structure