Chemistry

Which one of the following compounds is aromatic in nature?

Hydrogen peroxide reacts with iodine in basic medium to give:

In the following sequence of reactions a compound A, (molecular formula C₆H₁₂O₂) with a straight chain structure gives a C4 caboxylic acid. A is

$A\underset{H_3{O}^{+}}{\overset{LiAI{H}_4}{\to }}B\underset{}{\overset{Oxidation}{\to }}{C}_4-carboxylicacid$

Which one of the following gives the most stable Diazonium salt?

Identify A in the following reaction

Calamine and Malachite, respectively, are the ores of:

Identify the element for which electronic configuration in +3 oxidation state is [Ar]3d⁵.

The potassium ferrocyanide solution gives a Prussian blue colour, when added to:

The potassium ferrocyanide solution gives a Prussian blue colour, when added to:

Given below are two statements:

Statement I : The nucleophilic addition of sodium hydrogen sulphite to an aldehyde or a ketone involves proton transfer to form a stable ion.

Statement II : The nucleophillic addition of hydrogen cyanide to an aldehyde or a ketone yields amine as final product.

In the light of the above statements, choose the most appropriate answer from the options given below: