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प्रश्न
Arrange the following compounds in increasing order of boiling point. Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol
विकल्प
Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol
Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol
Pentan-1-ol, butan-2-ol, butan-1-ol, propan-1-ol
Pentan-1-ol, butan-1-ol, butan-2-ol, propan-1-ol
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उत्तर
Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol
Explanation:
Boiling point increases with increase in molecular mass of the alcohols. Among isomeric alcohols 1° alcohols have higher boiling points than 2° alcohols. Thus, correct order is:
Propan-1-ol < butan-2-ol < butan-1-ol < pentan-1-ol.
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संबंधित प्रश्न
Give reasons for the following: Butan-1-ol has a higher boiling point than diethyl ether.
Give reasons for the following : Boiling point of ethanol is higher in comparison to methoxymethane.
Explain why propanol has higher boiling point than that of the hydrocarbon, butane?
Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact.
Give reason for the higher boiling point of ethanol in comparison to methoxymethane.
Give simple chemical tests to distinguish between the following pairs of compounds :
Ethanol and phenol
Arrange the following compounds in the increasing order of their acid strength:
p-cresol, p-nitrophenol, phenol
Identify the chiral molecule in the following pair :
Alcohols of low molecular weight are _____________.
Assertion (A): Alcohols react both as nucleophiles and electrophiles.
Reason (R): The bond between C–O is broken when alcohols react as nucleophiles.
Select the most appropriate answer from the options given below:
Write a note on Kolbe's reaction
How are the following conversions carried out?
Methyl magnesium bromide → 2 -Methylpropan-2-ol.
Convert the following:
acetaldehyde to isopropyl alcohol.
How are the following conversions carried out?
\[\ce{Methyl magnesium bromide ->2-Methylpropan-2-ol}\]
How is the following conversion carried out?
Methyl magnesium bromide → 2-Methylpropan-2-ol.
How is the following conversions carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\].
