Ncert Solutions Chemistry Class 12th

Which one of the following is an example of artificial sweetner?

Using very little soap while washing clothes, does not serve the purpose of cleaning of clothes, because:

The reaction 

with bromine and KOH gives RNH2 as the end product. Which one the following is the intermediate product formed in this reaction?

 

The reaction of sulphur in alkaline medium is given below

$S_{8\left(s\right)}+aO{H^{-}}_{\left(aq\right)}\to b{S^{2-}}_{\left(aq\right)}+c{S}_2{O_3^{2-}}_{\left(aq\right)}+d{H}_2{O}_{\left(I\right)}$      

The values of 'a' is____________. (Integer answer)

An organic compound (P) upon reacting with NH? gives (Q). On heating, (Q) gives (R). (R) in presence of KOH reacts with Br? to give ethylamine. (P) is :

The correct order of reactivity for the nucleophilic addition reaction of the following carbonyl compounds with ethyl magnesium iodide is:

In the following reaction:

The product 'X' formed in following reaction is:

The intermediate X, in the reaction

The major product in the reaction