MCQ
Decarboxylation is observed to be fastest in
- ✓

- B

- C

- D






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(image) $\xrightarrow{{HOH/\mathop H\limits^ \oplus }}$ $[X]$
$[X]$ will be :
(At. no. : $Sc = 21, Ti = 22, Ni = 28,$$ Cu = 29, Co = 27$)