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Reaction of white phosphorus with aqueous sodium hydroxide
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OMONJIATE ELIAB PATRICK
Reaction of white phosphorus with aqueous sodium hydroxide
Phosphorus reacts with sodium hydroxide to give phosphine and alkali hypophosphite:
$$\ce{P4 + 3NaOH + 3H2O -> 3NaH2PO2 + PH3 ^}$$
The O.S. of phosphorus in disodium hydrogen phosphite is:
$$\ce{ +2*1 + 1 + x + 3*(-2) = 0}$$
$$\ce{ x = +3}$$
Mechanism: The water that is involved is actually moisture that is accounting for the hydrolysis of phosphorus. The reactions can be dissected into three semi-reactions:
The phosphine so obtained usually inflames spontaneously on coming into contact with the air; each bubble as it escapes forms a vortex ring of smoke. This is due to presence of some amount of $\ce{(PH2)_x}$, the simplest of them being the dimer, $\ce{P2H4}$.
Phosphorus reacts with sodium hydroxide to give phosphine and alkali hypophosphite:
$$\ce{P4 + 3NaOH + 3H2O -> 3NaH2PO2 + PH3 ^}$$
The O.S. of phosphorus in disodium hydrogen phosphite is:
$$\ce{ +2*1 + 1 + x + 3*(-2) = 0}$$
$$\ce{ x = +3}$$
Mechanism: The water that is involved is actually moisture that is accounting for the hydrolysis of phosphorus. The reactions can be dissected into three semi-reactions:
The phosphine so obtained usually inflames spontaneously on coming into contact with the air; each bubble as it escapes forms a vortex ring of smoke. This is due to presence of some amount of $\ce{(PH2)_x}$, the simplest of them being the dimer, $\ce{P2H4}$.
@Mockingbird if we use some phosphorus compound like phosphorus pentoxide, phosphoric acid or phosphorus trihalides and react with sodium hydroxide, sodium phoshate will form.More
You used Chemiday. That is a well-regarded and reliable source, as surely as my running a sub-3 hour marathon (when I tried one it was closer to seven). Can you review and identify primary references?More
Phosphorus reacts with sodium hydroxide to give phosphine and alkali hypophosphite:
$$\ce{P4 + 3NaOH + 3H2O -> 3NaH2PO2 + PH3 ^}$$
The O.S. of phosphorus in disodium hydrogen phosphite is:
$$\ce{ +2*1 + 1 + x + 3*(-2) = 0}$$
$$\ce{ x = +3}$$
Mechanism: The water that is involved is actually moisture that is accounting for the hydrolysis of phosphorus. The reactions can be dissected into three semi-reactions:
$\ce{3P + 3H2O -> 3OPH + 3H}$
$\ce{P +3H -> PH3}$
$\ce{30PH + 3H2O -> 3H3PO2}$
The phosphine so obtained usually inflames spontaneously on coming into contact with the air; each bubble as it escapes forms a vortex ring of smoke. This is due to presence of some amount of $\ce{(PH2)_x}$, the simplest of them being the dimer, $\ce{P2H4}$.
Source: http://phosphorus.atomistry.com/phosphine.html
Phosphorus reacts with sodium hydroxide to give phosphine and alkali hypophosphite:
$$\ce{P4 + 3NaOH + 3H2O -> 3NaH2PO2 + PH3 ^}$$
The O.S. of phosphorus in disodium hydrogen phosphite is:
$$\ce{ +2*1 + 1 + x + 3*(-2) = 0}$$
$$\ce{ x = +3}$$
Mechanism: The water that is involved is actually moisture that is accounting for the hydrolysis of phosphorus. The reactions can be dissected into three semi-reactions:
$\ce{3P + 3H2O -> 3OPH + 3H}$
$\ce{P +3H -> PH3}$
$\ce{30PH + 3H2O -> 3H3PO2}$
The phosphine so obtained usually inflames spontaneously on coming into contact with the air; each bubble as it escapes forms a vortex ring of smoke. This is due to presence of some amount of $\ce{(PH2)_x}$, the simplest of them being the dimer, $\ce{P2H4}$.
Source: http://phosphorus.atomistry.com/phosphine.html
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