In Lassaigne’s extract of an organic compound, both nitrogen and sulphur are present, which gives blood red colour with due to the formation of -

Aniline does not undergo Friedel-Crafts reaction because
(A) It forms salt with the Lewis acid catalyst, AlCl_3.
(B) Nitrogen of aniline acquires negative charge.
(C) Nitrogen of aniline acquires positive charge.
(D) Nitrogen acts as a strong deactivating group in the further reaction.
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In the following table, match the reactants given in List-I with the correct product in List-II as the reaction of hydration of alkene under acidic condition.

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Identify the correct order of organic compounds in the following chemical reaction:

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The correct order of increasing boiling points of the following compounds is:
Pentan-1-ol, n-Butane, Pentanal, Ethoxyethane

In the following reaction, identify the product D.

Reaction of aniline with conc. at 298 K will produce 47% of

What will be increasing order of basic strength the following compounds ?

Arrange the following acids in increasing order of their acidic strengths:

The Gatterman-Koch reaction is used in the industrial preparation of benzaldehyde. The electrophile involved in this reaction is

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