Home
Class 12
CHEMISTRY
Compound which forms an orange red preci...

Compound which forms an orange red precipitate with 2, 4 - DNP reagent and gives yellow precipitate on heating with iodine in the presence of sodium hydroxide is

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOCK TEST 36

    AAKASH INSTITUTE|Exercise Exercise|30 Videos

  • MOCK TEST 38

    AAKASH INSTITUTE|Exercise Example|16 Videos

Similar Questions

Explore conceptually related problems

An organic compound (A) with molecular formula C_8H_8 O forms an orange red precipitate with 2,4 -DNP reagent and gives yellow precipitate on heating with iodine in the presence of sodium hydroxide . It neither reduces Tollen's reagent or Fehling's solution , nor does it decolourise bromine water or Baeyer's reagent. On drastic oxidation with chromic acid, it gives a carboxylic acid (B) having molecular formulae C_7H_6O_2 . Identify the compound (A) and (B) and explain the reactions involved .

An organic compound (A) with molecular formula, C_(8)H_(8)O forms an orange-red precipitate with 2, 4-DNP reagent and gives yellow precipitate on heating with iodine in the presence of sodium hydroxide. It neither reduces tollens' reagent, nor does it decolourise bromine water or Baeyer's reagent. on drasic oxidation with chromic acid, it gives a carboxylic acid (B) having molecular formula, C_(7)H_(6)O_(2) . Identify the compounds (A) and (B) and explain the reaction involved.

Knowledge Check

  • An organic compound containing (x) with molecular formula C_(8)H_(8)O forms an oragne-red precipitate with 2,- -DNP reagent and gives yellow precipitate on heating with ioxdine in the presence of sodium hydroxide. It neither reduces Tollen's Fehlling's reagent, nor does it decolouries bromine water or Baeyer's reagent. On drastic oxidation with chromic acid, it gives a carboxylic acid (Y) having molcular formula C_(7)H_(6)O_(2) . Identify the compounds X and Y.

    A
    B
    C
    D

  • An aldehyde that does not give red precipitate on heating with Fehling's reagent is

    A
    methanal
    B
    ethanal
    C
    benzaldehyde
    D
    propanal

  • Which of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

    A
    `CH_(3)CH(OH)CH_(3)`
    B
    `CH_(3)CH_(2)CH(OH)CH_(3)`
    C
    `CH_(3)OH`
    D
    `CH_(3)CH_(2)OH`

    • Similar Questions

    Explore conceptually related problems

    An organic compound [A] with molecular formula C_(9)H_(10)O forms an arage-red precipitate [B] with 2,4 DNP reagent. Compound [A] gives yellow precipiatate [C] on heating wihth iodine in the presence of soedium hydroxide along with a colourless compound [D]. The compound [A] does not reduce Tollen's reagent or Fehling's solution nor does it decolourise bromine water or Baeyer's reagent. On drastic oxidation with chromic acid, compound [A] gives a crboxylic acid [E] having molecular formula C_(7)H_(6)O_(2) . Deduce the strcutres of the organic compounds [A] to [E].

    A carbony compound of formula C_(9) H_(10) O(A) , which is a benzene derivative gives orange precipitate with 2,4-D.N.P. and also gives yellow precipitate with I_(2) in presence of aqueous NaOH. The total no. of isomers possible for 'A' are "_____________"

    An aromatic compound 'A' (molecular formula C_(8)H_(8)O ) gives positive 2, 4-DNP test . It gives a yellow precipitate of compound 'B' on treatment with iodine and sodium hydroxide solution. Compound 'A' does not give tollen's or fehling's test. On drastic oxidation with potessium permanganate it forms a carboxylic acid 'C' (Molecular formula C_(7)H_(6)O_(2) ), which is also formed along with the yellow compound in the above reaction. identify A,B and C and write all the reactions involved.

    An aromatic compound (X) (C_(8)H_(8)O) gives positive 2, 4-DNP test. It gives a yellow precipitate of compound (Y) on reaction with iodine and sodium hydroxide solution. (X) does not give Tollens' test on oxidation under drastic conditions. It gives a carboxylic acid (Z) (C_(7)H_(6)O_(2)) .(Z) is also formed with (Y) during the reaction. (X), (Y) and (Z) respectively are

    The cation which gives a yellow precipitate with potassium chromate is

    Home
    Profile