EASY
Earn 100

Explain the hydrolysis reaction of benzene sulphonic acid.

Important Questions on Aromatic Compounds: Aromatic Hydrocarbons

HARD
Consider the following chemical reaction.
CHCH 1) Red hot Fe tube873 K 2CO,HCl,AlCl3> Product 
The number of sp2 hybridized carbon atom(s) present in the product is
MEDIUM
Benzene diazonium chloride on treatment with H3PO2 in the presence of cuprous ions gives
EASY

The major product of the following reaction is:

CH2=CHBrRed hot iron tube, 873 KNaNH2P

EASY
When propyne is passed through a red hot iron tube at 873 K, the reaction gives product having molecular formula of
EASY
Ethyne on passing through red hot iron tube at 873 K gives a cyclic compound X. In this reaction the number of π-bonds lost and number of σ -bonds formed are respectively
EASY

Identify the product X obtained in following reaction

CH3-CH24-CH3773 K, 10-20 atmCr2O3 X

MEDIUM
In the following sequence of reactions the maximum number of atoms present in molecule ‘ C ’ in one plane is_______
ACutubeRed  hotBAnhydrousAlCl3CH3Cl1.eqC
(A is a lowest molecular weight alkyne)
EASY
Reaction between phenyl magnesium bromide and methanol produces
HARD
Which of the following compounds on decarboxylation with sodalime gives toluene?
MEDIUM
In which of the following reactions phenol is not obtained:
MEDIUM

How many of the following reactions are possible? (Explain your reason.)

Question Image

MEDIUM
When acetylene is passed through a red-hot iron tube, a compound X is formed. Which one of the following reactions will yield X as the major product?
MEDIUM
What is the reactant [X] which produces cyclohexanone and formaldehyde on reaction with HIO4 ?
EASY

The number of primary carbon atoms in the product formed by the following reaction is ---------.

3CH3CCCH3873 KRed hot iron tube

HARD

Which of the following compound does not de-colourise the Baeyer's reagent?