HARD
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The correct enol content order is

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

MEDIUM

Given,

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Which of the given compounds can exhibit tautomerism?

MEDIUM
Which of the following pairs of compounds are positional isomers?
HARD
Which of the following compounds will show the maximum 'enol' content?
HARD
All structures given below are of vitamin C. Most stable of them is:
MEDIUM

Assertion A : Enol form of acetone CH3COCH3 exists in <0.1% quantity. However, the enol form of acetyl acetone CH3COCH2OCCH3 exists in approximately 15%quantity.

Reason R : enol form of acetyl acetone is stabilized by intramolecular hydrogen bonding, which is not possible in enol form of acetone.

Choose the correct statement:

HARD
Total number of isomers, considering both structural and stereoisomers, of cyclic ethers with the molecular formula C4H8O is ________
MEDIUM
How many isomers are possible for an alkane having molecular formula C5H12?
EASY

Match List I with List II.

Choose the correct answer from the options given below :-

  List I
Isomeric pairs
  List II
Type of isomers
A Propanamine and N-
Methylethanamine
I Metamers
B Hexan-2-one
Hexan-3-one
II Positional
isomers
C Ethanamide and
Hydroxyethanimine
III Functional isomers
D o-nitrophenol and pnitrophenol IV Tautomers

 

MEDIUM

Which of the following carbonyl compounds will exhibit enolization?

(i) Question Image

(ii)Question Image

(iii) Question Image

(iv) Question Image

(v) Question Image

EASY
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha carbon, is: