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प्रश्न
Convert the following:
acetaldehyde to isopropyl alcohol.
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उत्तर
\[\begin{array}{cc}
\phantom{.}\ce{O}\phantom{......................}\ce{OMgBr}\phantom{...................}\ce{OH}\\
||\phantom{.......................}|\phantom{.............}\phantom{.............}|\phantom{..}\\
\ce{\underset{Acetaldehyde}{CH3 - C - H}->[CH3MgBr]CH3 - CH - CH3}\ce{\underset{-Mg (OH)Br}{->[H3O-]}\underset{Isopropyl alcohol}{CH3 - CH - CH3}}\\
\end{array}\]
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संबंधित प्रश्न
Give reasons for the following : Phenol is more acidic than ethanol.
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.
`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
Identify the chiral molecule in the following pair :
Write the structures of A, B and C in the following reactions :
\[ C_6 H_5 {NO}_2 \to^{Sn/HCI} A \to^{{NaNO}_2 /HCI}_{273 K} B \to^{H_2 O}_∆ C\]
Account for the following:
CH3CHO is more reactive than CH3COCH3 towards reaction with HCN.
Isopropyl alcohol is obtained by reacting which of the following alkenes with concentrated H2SO4 followed by boiling with H2O?
Which statement is not correct about alcohol?
Which of the following is most acidic?
Arrange the following compounds in increasing order of boiling point. Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol
Explain why alcohols and ethers of comparable molecular mass have different boiling points?
Assertion: Boiling points of alcohols and ethers are high.
Reason: They can form intermolecular hydrogen-bonding.
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)
How are the following conversion carried out?
Methyl magnesium bromide →2-Methylpropan-2-ol.
Write a note on Kolbe's reaction
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 conversion carried out?
\[\ce{Methyl magnesium bromide-> 2-Methylpropan-2-ol}\]
How is the following conversions carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\].
Identify ‘A’ in the following reaction.
\[\ce{A + Acetic anhydride ->[H^\oplus] Aspirin + Acetic acid}\]
