Ncert Solutions Chemistry Class 12th

To synthesis 1.0 mole of 2-methylpropane-2-ol from Ethylethanoate_________ equivalents of CH₃MgBr reagent will be required. (Integer value)

The number of lone pairs of electrons on the central I atom in $I_3^{-}$  is__________.

Which one of the following compounds is aromatic in nature?

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

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:

Water sample is called cleanest on the basis of which one of the BOD values given below: