MCQ
An elements in $+3$ oxidation state has the electronic configuration $(Ar)3{d^3}$. Its atomic number is
- ✓$24$
- B$23$
- C$22$
- D$21$
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(image) $\xrightarrow{{[O]}}A\xrightarrow{{SOC{l_2}}}B\xrightarrow{{Na{N_3}}}C\xrightarrow{{Heat}}D$
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 :