Maths-
General
Easy
Question
Find the number by which 7:21 is multiplied to make it equivalent to 84 : 252.
- 11
- 12
- 13
- 14
The correct answer is: 12
7:21 = 7/21 = 7x12 / 21x12 = 84 / 252
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the reagents used in the conversion are:
the reagents used in the conversion are:
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Which is the correct order of acidity from weakest to strongest acid for these compounds:
I) CF3CH2OH
II) 
III) 
IV) 
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I) CF3CH2OH
II)
III)
IV)
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The compound P and Q respectively are :
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The compound P and Q respectively are :
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A tertiary alcohol H on acid catalysed dehydration gives a product I. Ozonolysis of I leads to compounds J and K. Compound J upon reaction with KOH gives benzyl alcohol and a compound L, whereas K on reaction with KOH gives only M
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Chemistry-General
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A tertiary alcohol H on acid catalysed dehydration gives a product I. Ozonolysis of I leads to compounds J and K. Compound J upon reaction with KOH gives benzyl alcohol and a compound L, whereas K on reaction with KOH gives only M
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Aldehydes undergo disproportionation reaction in presence of aqueous NaOH Simultaneous oxidation and. reduction 'of a compound is scientifically called as disproportionation.
Aldehydes having no a-hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalization.
The reaction may be represented as:
Intramolecular Cannizzaro's reaction is also possible.
Which of the following' compounds gives internal crossed Cannizzaro's reaction?
Aldehydes undergo disproportionation reaction in presence of aqueous NaOH Simultaneous oxidation and. reduction 'of a compound is scientifically called as disproportionation.
Aldehydes having no a-hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalization.
The reaction may be represented as:
Intramolecular Cannizzaro's reaction is also possible.
Which of the following' compounds gives internal crossed Cannizzaro's reaction?
Chemistry-General
Chemistry-
Aldehydes undergo disproportionation reaction in presence of aqueous NaOH Simultaneous oxidation and. reduction 'of a compound is scientifically called as disproportionation.
Aldehydes having no a-hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalization.
The reaction may be represented as:
Intramolecular Cannizzaro's reaction is also possible.
The aldehyde having 
-hydrogen which gives Cannizzaro's reaction is:
Aldehydes undergo disproportionation reaction in presence of aqueous NaOH Simultaneous oxidation and. reduction 'of a compound is scientifically called as disproportionation.
Aldehydes having no a-hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalization.
The reaction may be represented as:
Intramolecular Cannizzaro's reaction is also possible.
The aldehyde having -hydrogen which gives Cannizzaro's reaction is:
Chemistry-General
Chemistry-
Aldehydes undergo disproportionation reaction in presence of aqueous NaOH Simultaneous oxidation and. reduction 'of a compound is scientifically called as disproportionation.
Aldehydes having no a-hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalization.
The reaction may be represented as:
Intramolecular Cannizzaro's reaction is also possible.
The aldehyde which shows Cannizzaro's reaction is:
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Aldehydes having no a-hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalization.
The reaction may be represented as:
Intramolecular Cannizzaro's reaction is also possible.
The aldehyde which shows Cannizzaro's reaction is:
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Tishchenko reaction of gives:
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Identity the product(s):
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Among the following compounds, which will react. with acetone to give a product containing 
?
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Chemistry-General
