Home
Class 12
CHEMISTRY
An aliphatic unsaturated hydrocarbon (A)...

An aliphatic unsaturated hydrocarbon (A) when treated with `HgSO_(4)//H_(2)SO_(4)` yields a compound (B) having molecular formula `C_(3)H_(6)O`. (B) on oxidation with concentrated `HNO_(3)` gives two compounds ( C ) and (D). Compound (C ) when treated with `PCl_(5)` gives compound (E ). (E ) when reacts with ethanol gives a sweet smelling liquid (F). Compound (F) is also formed when (C ) reacts with ethanol in the presence of concentrated `H_(2)SO_(4)`.
(i) Identify the compound A, B, C, D, E and F.
(ii) Give the chemical equation for the reaction of ( C ) with chlorine in the presence of red phosphorus and name the reaction.

Text Solution

Verified by Experts

(i) `(A) CH_(3)-C-=CH" "`(Propyne)
`(B) CH_(3)-overset(O)overset(||)C-CH_(3)" "`(Acetone)
`(C ) CH_(3)-COOH" "`(Acetic acid)
`(D) HCOOH" "` (Formic acid)
`(E ) CH_(3)COCl" "` (Acetylchloride)
`(F) CH_(3)COOC_(2)H_(5)" "`(Ethyl acetate)
(ii) `underset([C])underset(("Acetic acid"))(CH_(3)COOH) overset(Cl_(2),P)to underset((1))underset(Cl)underset(|)(CH_(2))COOH overset(Cl_(2),P)to`
`underset((2))(Cl_(2)CHCOOH)overset(Cl_(2),P)tounderset((3))(Cl_(3)C-COOH)`
`(1) rArr` monochloro acetic acid
`(2) rArr` dichloroacetic acid
`(3) rArr` trichloroacetic acid
This reaction is known as Hell Volhard Zelinsky reaction.
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY-2017

    ICSE|Exercise Question (Answer the following questions) |5 Videos

  • CHEMISTRY-2017

    ICSE|Exercise Question (Answer the following)|4 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    ICSE|Exercise EXERCISE (PART - II (DESCRIPTIVE QUESTIONS) (LONG ANSWER QUESTIONS))|19 Videos

  • CHEMISTRY-2018

    ICSE|Exercise Question (Answer the following question) |5 Videos

Similar Questions

Explore conceptually related problems

An aliphatic unsaturated hydrocarbon (A) when treated with HgSO//H_2SO_4 yields a compound (B) having molecular formula C_(3)H_(6)O . (B) on oxidation with concentrated HNO_3 gives two compounds (C) and (D). Compound (C) when treated with PCl_5 gives compound (E). (E) when reacts with ethanol gives a sweet-smelling liquid (F). Compound (F) is also formed when (C) reacts with ethanol in the presence of concentrated H_2SO_4 . (i) Identify the compound A, B, C, D, E and F. (ii) Give the chemical equation for the reaction of (C) with chlorine in the presence of red phosphorus and name the reaction.

An aliphatic hydrocarbon A on treatment with sulfuric acid in the oresence of HgSO_(4) yields a liquid B with molecular formula C_(2)H_(4)O . B on oxidation with acidified potassium dichromate yields C which gives effervescence with sodiumn bicarbonte. C when treated with SOCl_(2) gives D. When D reacts with ethanol, it gives a sweet smelling liquid E. E is also formed when C reacts with ethanol in the presence of conc. H_(2)SO_(4) Write the balanced equation for the conversion of A to B.

An aliphatic hydrocarbon A on treatment with sulphuric acid in the presence of HgSO_4 yields a liquid B with molecular formula C_2H_4O . Bon oxidation with acidified potassium dichromate yields C which gives effervescence with sodium bicarbonate. C when treated with SOCl_2 gives D. When D reacts with ethanol it gives a sweet smelling liquid E. E is also formed when C reacts with ethanol in the presence of conc. H_2SO_4 . Draw the structure of the isomer of compound B.

An aliphatic hydrocarbon A on treatment with sulphuric acid in the presence of HgSO_4 yields a liquid B with molecular formula C_2H_4O . Bon oxidation with acidified potassium dichromate yields C which gives effervescence with sodium bicarbonate. C when treated with SOCl_2 gives D. When D reacts with ethanol it gives a sweet smelling liquid E. E is also formed when C reacts with ethanol in the presence of conc. H_2SO_4 . Identify A, B, C, D and E.

Compound 'A' of molecular formula C_(4)H_(10)O on treatment with Lucas reagent at room temperature gives compound 'B'. When compound 'B' is heated with alcoholic KOH, it gives isobutene. Compound 'A' and 'B' are respectively :

A compound with molecular formula C_(6)H_(10)O_(4) on acylation with acetic anhydride gives a compound with molecular formula C_(12)H_(18)O_(8) . How many hydroxyl groups are present in the compound?

A liquid was mixed with ethanol and a drop of concentrated H_(2) SO_(4) was added. A compound with a fruity smell was formed. The liquid was

A liquid was mixed with ethanol and a drop of concentrated H_(2) SO_(4) was added. A compound with a fruity smell was formed. The liquid was

A compound 'A' when treated with HNO_(3) (in presence of H_(2)SO_(4) ) gives compound B, which is the reduced with Sn and HCl to aniline ? The compound 'A' is

An organic compound A (C_(2)H_(6)O) reacts with sodium to form a compound B with the evolution of H_(2) and gives a yellow compound C on reacting with iodine and NaOH. When heated with conc. H_(2)SO_(4) at 413 K, it gives a compound D (C_(4)H_(10)O) which on reaction wiht conc. HI at 373 K gives compound E. The compound D is also obtained when B is heated with E. Idntify the compounds A,B,C,D and E write the equations for the reaction involved.