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There is a ph5 and it is yellow

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14y ago

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Does PH5 have bond polarity?

Yes, PH5 has bond polarity because phosphorus and hydrogen have different electronegativities, resulting in a partial positive charge on hydrogen and a partial negative charge on phosphorus within the molecule.


Is PH5 a polar molecule?

PH5 doesn't actually exist as a stable molecule. However, if one imagines it to have the same geometry as PF5 (namely trigonal bipyramidal), then by symmetry PH5 would be non-polar.


Why cant ph5 phosphorus pentahydride exist?

This compound could possibly exist, but it would be very unstable towards decomposition to PH3 and H2. One could propose either an ionic (PH4+H-) or covalent structure for this compound. The covalent structure would involve an expanded valence shell involving d2sp3 hybrid orbitals. For phosphorus, valence shell expansion is usually favored by bonding to electronegative elements such as halogens. Since hydrogen is of similar electronegativity to phosphorus, this covalent structure would not be favored. Concerning the possible ionic structure, the hydrogen atoms bonded to PH4+ have some protic character. Therefore they would readily react with the hydride ion to form H2. If PH5 could be made, it would be stable only at very low temperatures under very high pressures.


What is the bond angle of PH5?

The bond angle in PH5 would likely be close to 90 degrees since phosphorus can accommodate five bonding pairs around it in a trigonal bipyramidal geometry. However, due to the repulsion between the bonding pairs, the actual bond angle may deviate slightly from the ideal angle of 90 degrees.


What happens if you dilute pH5 with water what would the answer be?

If you dilute a pH 5 solution with water, the pH of the resulting solution will increase and become closer to neutral (pH 7). The more water you add, the closer the pH of the solution will approach 7.