Valency of P in PH3 with calculation. (REMEMBER WITH CALCULATION SHOWN)
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Answer:
+3
Explanation:
The number of valence electrons or the number of electrons in the outermost shell of phosphorus is 3. - Thus, one atom of phosphorus is capable of combining with three atoms of hydrogen in order to form phosphine (PH3). Therefore, the valency of phosphorus in PH3 is +3.
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