2,4-pentanedione is treated with excess of KCN in acetic acid solution and finally hydrolysed with dilute H 2 SO 4 giving products only with molecular formula C 7 H 12 O 6 (dicarboxylic acids). The correct statement regarding product(s) of this reaction is/are

Product of only one fraction obtained after crystallization, on strong heating lactonizes to give the following compound :

Product mixture contains four stereoisomers which on fractional crystallization gives two fraction.

Product of either fraction obtained after crystallization, on strong heating lactonizes to give the following compound :

2,4-pentanedione is treated with excess of KCN in acetic acid solution and finally hydrolysed with dilute H 2 SO 4 giving products only with molecular formula C 7 H 12 O 6 (dicarboxylic acids). The correct statement regarding product(s) of this reaction is/are

Product of only one fraction obtained after crystallization, on strong heating lactonizes to give the following compound :

HARD

Earn 100

2,4-pentanedione is treated with excess of KCN in acetic acid solution and finally hydrolysed with dilute H₂SO₄ giving products only with molecular formula C₇H₁₂O₆ (dicarboxylic acids). The correct statement regarding product(s) of this reaction is/are

50% studentsanswered this correctly

Important Questions on Halogen Derivatives

HARD

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The total number of chiral compound/s from the following is

Question Image

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The isomeric deuterated bromide with molecular formula

C_{4} H_{8} DBr

having two chiral carbon atoms is

HARD

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The number of chiral carbon

(s)

present in peptide,

Ile -

Arg - Pro,

is:

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Two possible stereo-structures of

C H_{3} C H O H \cdot C O O H

, which are optically active, are called:

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Which of the following compound is optically inactive?

HARD

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

How many optically active isomers are possible in the compound having formula

C_{4} H_{9} Br

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The number of chiral carbons present in the molecule given below is..............

Question Image

HARD

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Which of the following compound is optically inactive?

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Which of the following has a chiral

' C' ?

HARD

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The correct statement about the following chemical reaction is

Question Image

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The incorrect statement regarding chirality is :

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Which of the following compounds will show retention in configuration on nucleophile substitution by

{OH}^{-} ion

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The number of chiral carbons in chloramphenicol is ____________.

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

How many chiral compounds are possible on monochlorination of

2

-methylbutane?

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The neopentyl halide in ethanol yields alkenes by El mechanism due to

HARD

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

For the following compounds the correct statement(s) with respect to nucleophilic substitution reactions is(are)

Question Image

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Which compound is optically active?

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The major product of the following reaction is

Question Image

EASY

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

Which of the following structures represents a chiral compound?

MEDIUM

Chemistry>Organic Chemistry>Halogen Derivatives>Physical and chemical properties of alkyl halides

The major product of the following reaction is:
Question Image

2,4-pentanedione is treated with excess of KCN in acetic acid solution and finally hydrolysed with dilute H2SO4 giving products only with molecular formula C7H12O6 (dicarboxylic acids). The correct statement regarding product(s) of this reaction is/are

Important Questions on Halogen Derivatives

Learn and Prepare for any exam you want !

2,4-pentanedione is treated with excess of KCN in acetic acid solution and finally hydrolysed with dilute H₂SO₄ giving products only with molecular formula C₇H₁₂O₆ (dicarboxylic acids). The correct statement regarding product(s) of this reaction is/are