EASY
Earn 100

Explain the hydrolysis reaction of benzene sulphonic acid.

Important Questions on Aromatic Compounds: Aromatic Hydrocarbons

EASY
When propyne is passed through a red hot iron tube at 873 K, the reaction gives product having molecular formula of
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
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
MEDIUM
Benzene diazonium chloride on treatment with H3PO2 in the presence of cuprous ions gives
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
EASY

Identify the product X obtained in following reaction

CH3-CH24-CH3773 K, 10-20 atmCr2O3 X

EASY

The major product of the following reaction is:

CH2=CHBrRed hot iron tube, 873 KNaNH2P

EASY
Converting n-hexane into benzene in the presence of chromium oxide on alumina supports an example of a
MEDIUM

Write the balanced chemical reactions to get benzene from sodium benzoate.

MEDIUM

What will be the final product B in the given sequence of reaction?

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MEDIUM
In which of the following reactions phenol is not obtained:
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}