P4 undergoes disproportionation in basic medium to give PH3(phosphine) and H2PO2⊝ (dihydrogen hypophosphite ion). Atomic weight of P is 31. Equivalent weight of P4 is _____.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

answer is 41.33.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

P4→4H2PO2θ+4e−×312e−+P4→4PH312P4→4H2PO2⊖+4PH3Total change in number of electrons - 12 Valency factor =124=3EW=MwP43∴EW=4×313=41.33g

Watch 3-min video & get full concept clarity