JEE MAIN - Chemistry (2025 - 28th January Evening Shift - No. 25)
A group 15 element forms $\mathrm{d} \pi-\mathrm{d} \pi$ bond with transition metals. It also forms hydride, which is a strongest base among the hydrides of other group members that form $d \pi-d \pi$ bond.
The atomic number of the element is _______ .
The atomic number of the element is _______ .
Answer
15
Explanation
Phosphorus belongs to $15^{\text {th }}$ group and forms $\mathrm{d} \pi-\mathrm{d} \pi$ bond with transition metal and $\mathrm{PH}_3$ is strongest base among the other group members excepet $\mathrm{NH}_3$.
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