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प्रश्न
`CH_3-CH_2-Br"Alcoholic KOH"/""> B " HBR"/"">C"Na/Eather"/"">D`, the Compound D is
(A) ethane
(B) propane
(C) n-butane
(D) n-pentane
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उत्तर
(C) n-butane
`CH_3-CH_2-Br"Alcoholic KOH"/""> CH_2=CH_2 " HBR"/"">CH_3-CH_2-Br"Na/Eather"/"">Ch_3-CH_2-CH_2-CH_3`,
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संबंधित प्रश्न
Give reasons for the following: Butan-1-ol has a higher boiling point than diethyl ether.
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 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
Write a chemical reaction to show that the open structure of D-glucose contains the following :
Five alcohol groups
Isopropyl alcohol is obtained by reacting which of the following alkenes with concentrated H2SO4 followed by boiling with H2O?
The correct order of boiling points for primary (1°), secondary (2°) and tertiary alcohol (3°) is:
Alcohols of low molecular weight are _____________.
Which of the following has lowest boiling point?
Which statement is not correct about alcohol?
Which one of the following alcohols is least soluble in water?
Phenol does not undergo nucleophilic substitution reaction easily due to ______.
Arrange the following in the increasing order of their property indicated:
ethanol, ethanoic acid, benzoic acid (boiling point)
A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P is ______. (to the nearest integer) (Atomic mass: C = 12; H = 1; O = 16)
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:
How are the following conversion carried out?
Methyl magnesium bromide →2-Methylpropan-2-ol.
Write a note on Kolbe's reaction
What is esterifications? How is an ester obtained from alcohol or phenol?
How are the following conversions carried out?
Methyl magnesium bromide → 2 -Methylpropan-2-ol.
How are the following conversions carried out?
\[\ce{Methyl magnesium bromide ->2-Methylpropan-2-ol}\]
How are the following conversions carried out?
\[\ce{Methyl magnesium bromide -> 2-Methylpropan-2-ol}\]
How is the following conversions carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\].
