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प्रश्न
An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde with molecular formula C2H4O on oxidation with pyridinium chlorochromate. Give the chemical equations in support of these observations.
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उत्तर
Ethyl alcohol gives hydrogen on reaction with sodium metal. On oxidation with PCC ethanol will form acetaldehyde (C2H4O).
\[\ce{\underset{\text{Ethyl alcohol}}{2CH3 - CH2 - OH} ->[2Na] \underset{\text{Sodium ethoxide}}{2CH3 - CH2 - O- Na+} + {H_{2(g)}} ^}\]
\[\ce{\underset{\text{Ethyl alcohol}}{CH3 - CH2 - OH} ->[{[O]}][PCC] \underset{\ce{Acetaldehyde(C2H4O)}}{CH3 - CHO} + H2O}\]
संबंधित प्रश्न
Choose the correct option.
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Answer in one sentence/ word.
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Answer in brief.
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Write two points of difference between the properties of phenol and ethyl alcohol.
Reaction between hot conc. HI and anisole gives ______________
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- dil. HNO3
- conc. H2SO4
- Br2/CS2
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
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Number of oxygen atoms present in salicylaldehyde are ______.
____________ is used for silvering mirrors.
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Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.
Cumene is used in the commercial method for the manufacture of ____________.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
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(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
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