List-I | List-II | ||
A | Nitrogen oxides in air | I | Eutrophication |
B | Methane in air | II | pH of rain water becomes 5.6 |
C | Carbon dioxide | III | Global warming |
D | Phosphate fertilisers in water | IV | Acid rain |
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 :
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A): Ketoses give Seliwanoff's test faster than Aldoses
Reason (R): Ketoses undergo -elimination followed by formation of furfural
In the light of the above statements, choose the correct answer from the options given below: