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A neutral organic compound X of molecual...

A neutral organic compound X of molecualr formula `C_(2)H_(6)O` on oxidation with acidified potassium dichromate gives an acidic compound Y. Compound X reacts with Y on warming in the presence of conc `H_(2)SO_(4)` to give a sweet smelling substance Z.What are X,Y and Z?

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Since the compound 'Z' is sweet smelling in nature, it is an ester. The compound 'X' with molecular formula `C_(2)H_(6)O` is ethanol while the compound 'Y' Formed by the oxidation of 'X' is ethanoic acid. The series of chemical reaction invovled are listed.
`underset("Ethanol (X)")(CH_(3)CH_(2)OH)underset(("Oxidation"))overset("Alkaline "KMnO_(4))tounderset("Ethanoic acid (Y)")(CH_(3)COOH)`
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Ethanol when warmed with ethanoic acid in the presence of conc,. H_(2)SO_(4) produces a sweet - smelling substance.

An organic compound of molecular formula C_(2)H_(6)O when oxidized with alkaline KmnO_(4) solution and then treated with dilute hydrochloric acid gives a compound A. When A is warmed with ehtanol in the presence of conc .H_(2)SO_(4) it forms the compound B. B when reacted with NaOH solution gives a compound C. (i) Give the names of A, B and C. (ii) Give equations for the above reactions.

An alcohol [A] with molecules formula (C_(4)H_(10)O) o oxidation with aciddified potassium dichromate gives acid [B] (C_(4)H_(8)O_(2)) . Compound [A] when dehydrated with conc. H_(2)SO_(4) at 443 K gives compound [C]. Treatment of [C] with aqueous H_(2)SO_(4) gives compound [D] (C_(4)H_(10)O) which is an isomer of [A]. compound [D] is resistant to oxidation but compound [A]can be easily oxidised. Identify [A], [B], [C] and [D]. Name the type of isomerism exhibited by [A] and [D].

A neutral organic compound A of molecular formula C_(2)H_(6)O on heating with excess of conc. H_(2)SO_(4) gives compound B of molecular formula C_(2)H_(4) . Compound B on reduction gives compound C of molecular formula C_(2)H_(6) . (a) Name A, B and C. (b) Write chemical equation for the conversion of A to B. (c) What is the role of conc H_(2)SO_(4) in the above equation.

DINESH PUBLICATION-CARBON AND ITS COMPOUNDS-MCQs
  1. A neutral organic compound X of molecualr formula C(2)H(6)O on oxidati...

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  2. Carbon exists in the atmosphere in the from of

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  3. Which of the following statements are usually correct for carbon compo...

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  4. A molecule of ammonia (NH(3)) has

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  5. Buckminster fullerene is an allotropic form of

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  6. Which of the following are correct chain isomers of butane ? (i) <im...

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  7. CH(3)-CH(2)-OHoverset("Alkaline"KMnO(4)+"Heat")(to)CH(3)-COOH In the...

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  8. Oils on treating with hydrogen in the presence of palladium or nickel ...

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  9. In which of the following compounds -OH is the functional group ?

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  10. The soap molecule has a

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  11. Which of the following is the correct representation of electon dot st...

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  12. Structural formula of ethyne is

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  13. Indentify the unsaturated compounds from the following. (i) Propane ...

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  14. Chlorine reacts with saturated hydrocarbons at room temperature in the

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  15. In the soap micelles

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  16. Pentane has the molecular formula C(5)H(12). It has

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  17. Structural formula of benzene is

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  18. Ethanol reacts with sodium and forms two products. These are

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  19. The correct structural formula of butanoic acid is

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  20. Vinegar is a solution of

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  21. Mineral acids are stronger acids than carboxylic acids because (i) m...

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