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प्रश्न
Give simple chemical tests to distinguish between the following pairs of compounds :
Ethanol and phenol
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उत्तर १
| Test | Ethanol | Phenol |
| Coupling reaction | Negative test |  |
| Iodoform test |  |
Negative test |
उत्तर २
Ethanol and phenol can be chemically distinguished by Iodoform test
\[\ce{C2H5OH->[I2][NaOH][CH5CHo]->\underset{\text{Yellow precipitate}}{CHI3} v}\]
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संबंधित प्रश्न
Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact.
`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
Which statement is not correct about alcohol?
Which one of the following alcohols is least soluble in water?
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?
\[\ce{Methyl magnesium bromide ->2-Methylpropan-2-ol}\]
How is the following conversions carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\].
