MCQ
If two compounds have the same empirical formula but different molecular formulae they must have
- ADifferent percentage composition
- ✓Different molecular weight
- CSame viscosity
- DSame vapour density
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Assertion $(A)$ : $\alpha$-halocarboxylic acid on reaction with dil. $NH _3$ gives good yield of $\alpha$-amino carboxylic 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 :