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The p-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe p-Block Elements1 Mark
Question
$\text{BH}^-_4$ and $\text{NH}^+_4$ are isolobal. Explain.
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Answer

Both $\text{BH}^-_4$ and $\text{NH}^+_4$ have tetrahedral shapes, i.e., four lobes of $sp^3-$ hydridised orbitals. Hence, they are isolobal.

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