MCQ
Which of the following set of elements does not belong to transitional elements set
- A$Fe,$ $Co,$ $Ni$
- B$Cu,$ $Ag,$ $Au$
- C$Ti,$ $Zr,$ $Hf$
- ✓$Ga,$ $In,$ $Tl$
they belong to $p-$ block.
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Statement $(I)$ : $\mathrm{S}_{\mathrm{N}} 2$ reactions are 'stereospecific', indicating that they result in the formation only one stereo-isomers as the product.
Statement $(II)$ : $\mathrm{S}_N 1$ reactions generally result in formation of product as racemic mixtures. In the light of the above statements, choose the correct answer from the options given below :
