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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.
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
Identify the chiral molecule in the following pair :
Write a chemical reaction to show that the open structure of D-glucose contains the following :
Five alcohol groups
Alcohols have high boiling points because of ____________.
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 one of the following alcohols is least soluble in water?
Which of the following is most acidic?
Phenol does not undergo nucleophilic substitution reaction easily due to ______.
Explain why alcohols and ethers of comparable molecular mass have different boiling points?
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:
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 conversion carried out?
Methyl magnesium bromide → 2-Methylpropan-2-ol.
How is the following conversions carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\].
