The correct order of melting points of dichlorobenzenes is
An organic compound $[ A ]\left( C _4 H _{11} N \right)$, shows optical activity and gives $N _2$ gas on treatment with The structure of $A$ is :
Which one amongst the following are good oxidizing agents?(A) \( \text{Sm}^{\text{2+}}\)(B) \(\text{Ce}^{\text{2+}}\)(C)\( \text{Ce}^{\text{4+}}\)(D) \(\text{Tb}^{\text{4+}}\)Choose the most appropriate answer from the options given below:
Match items of Row I with those of Row II
The major products ' A ' and ' B ', respectively, are
In the depression of freezing point experiment
A. Vapour pressure of the solution is less than that of pure solvent
B. Vapour pressure of the solution is more than that of pure solvent
C. Only solute molecules solidify at the freezing point
D. Only solvent molecules solidify at the freezing point
Choose the most appropriate answer from the options given below:
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : An aqueous solution of \(KOH\) when used for volumetric analysis, its concentration should be checked before the use Reason (R) : On aging,\(KOH\) solution absorbs atmospheric \(CO _2\)In the light of the above statements, choose the correct answer from the options given below :
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): \(\alpha\)-halocarboxylic acid on reaction with dil \(NH _3\) gives good yield of \(\alpha\)-aminocarboxylic acid whereas the yield of amines is very low when prepared from alkyl halides Reason (R): Amino acids exist in zwitter ion form in aqueous medium In the light of the above statements, choose the correct answer from the options given below :
In figure, a straight line is given for Freundrich Adsorption\((y=3 x+2505)\) The value of \(\frac{1}{ n }\)and\(\log K\)are respectively