MCQ
What is the general electronic configuration for $2^{nd}$ row transition series
- A$[Ne]3{d^{1 - 10}},4{s^2}$
- B$[Ar]3{d^{1 - 10}},4{s^{1 - 2}}$
- ✓$[Kr]4{d^{1 - 10}},\,\,5{s^{1 - 2}}$
- D$[Xe]5{d^{1 - 10}},\,\,5{s^{1 - 2}}$
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$H_2C = C = CH - CH = O$
$sp^3$ - $sp^2$ - $sp$