List of top Chemistry Questions on Organic Chemistry

Arrange the following amines in the decreasing order of their basic strength : Aniline (I), Benzylamine (II), p-toluidine (III)
Correct order of acidic strength:
One mole of an alkene on ozonolysis gives a mixture of one mole pentan-3-one and one mole methanal. The alkene is (2024)
CH₃CH₂Br → (aq. KOH) → A → (PCl₅) → B
Final product B:
What is the name of the element which is known as Eka-Aluminium?
Which aldehyde does not give Fehling test?
Find the alkene which gives 2 mol of acetone by ozonolysis.
2-methyl propene is obtained as product when sodium methoxide reacts with
Benzene diazonium salt in the presence of Cu/HBr will give bromobenzene (C\(_6\)H\(_5\)Br) and release nitrogen gas (N\(_2\)). This reaction is known as:
Which of these have the least bond length (in pm)?
When CO is reacted with \( H_2 \) at 573 K, methanol is formed. Which is the catalyst used in this process?
Two solutions that are isotonic have same ......
Hinsberg reagent is
Which of the following has highest pKa value?
If ‘m’ is the molality, ‘M’ is the molarity, ‘d’ is the density in g/cm\(^3\) and ‘M\(_2\)’ is the molarity of solute. What is the relation between them?
Which reagent gives as major product from phenol
Which of the following statement is correct about Hoffmann’s bromamide degradation reaction?
(a) Alkyl amide do not react.
(b) Secondary amide do not form secondary amide.
(c) Ratio of NaOH and Br₂ is 4 : 2.
(d) Na₂CO₃, NaBr and H₂O also formed along with amine.
Product is:
Find total number of aromatic compounds from the given organic molecules.
Which of the following statement(s) are incorrect?
Statement-1: During fractional distillation, higher boiling point will condense first.
Statement-2: In fractionating column, one which has higher boiling point value will be more in concentration above the fractionating column.
Which of the following compounds give a positive neutral FeCl\(_3\) test?
How many dibromo products are possible for ‘B’ (including stereoisomer)?
Statement 1:
Boiling point order is in decreasing order due to decreasing Vanderwaal's forces.
Statement 2:
P-dichlorobenzene has more melting point value due to its symmetric structure than O-dichlorobenzene while it has less boiling point than O-dichlorobenzene.
Benzene reacts with CO/HCl/AlCl₃ and give 'P'.
Benzene reacts with CH₃-C-Cl / AlCl₃ to give 'Q'.
P and Q react with each other in presence of NaOH / H₂O give product Z. Find number of π e⁻ in product Z.