When a small amount of solid calcium phosphide Ca 3 P 2 is added to water- what are the most likely products formed-A- Aqueous Ca 2- and OH -ions and P H 3 gasB- Aqueous Ca 2- and OH -ions and H 3 P O 3C- Solid CaH 2 and H 3 P O 3D- Solid CaO and P H 3 gas

Calcium phosphide nbsp;reacts vigorously with nbsp;water nbsp;to generate phosphine gas. Ca_3P_2 (s)+ 6H_2O_ (l)⟶ 3Ca(OH)_2 (aq.)+2PH_3 (g) ...

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Byju's Answer

Standard XII

Chemistry

Phosphine

When a small ...

Question

When a small amount of solid calcium phosphide ( $C a_{3} P_{2}$ ) is added to water, what are the most likely products formed?

Aqueous

C a^{2 +}

and

O H^{-}

ions and

P H_{3}

gas

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Aqueous

C a^{2 +}

and

O H^{-}

ions and

H_{3} P O_{3}

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Solid

C a H_{2}

and

H_{3} P O_{3}

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Solid

C a O

and

P H_{3}

gas

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Solution

The correct option is A Aqueous $C a^{2 +}$ and $O H^{-}$ ions and $P H_{3}$ gas
Calcium phosphide reacts vigorously with water to generate phosphine gas.
$C a_{3} P_{2 (s)} + 6 H_{2} O_{(l)} ⟶ 3 C a (O H)_{2 (a q .)} + 2 P H_{3 (g)}$

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Similar questions

Q. When a small amount of solid calcium phosphide (

C a_{3} P_{2}

) is added to water, what are the most likely products formed?

In the following reaction,

F e (O H)_{3} (s) ⇋ F e^{3 +} (a q) + 3 O H^{-} (a q)

What is the solubility product expression for the saturated solution when the ionic solid

F e (O H)_{3}

is added to water and dissociates into its component ions?

Q. A sample of hard water contains

96 ppm

S O 4_{4}^{2 -}

ions,

183 ppm

H C O_{3}^{-}

ions and the only cation present is

C a^{2 +}

X

moles of

C a O

are required to remove the

H C O_{3}^{-}

ions from

1000 kg

of this sample of water. When the same amount of

C a O

is added to the water sample, the concentration of residual

C a^{2 +}

ions (in ppm) becomes Y.
(Assume

C a C O_{3}

to be completely insoluble in water)
If the residual

C a^{2 +}

ions in

1 L

of the above -mentioned water sample is completely replaced by hydrogen ions, what will the

p H

of the resultant sample of hard water?

Q. Predict the correct order of mobility of

B e^{2 +}

M g^{2 +},

S r^{2 +}

and

C a^{2 +}

ions in aqueous medium.

Q. A sample of hard water contains

96 ppm

S O 4_{4}^{2 -}

ions,

183 ppm

H C O_{3}^{-}

ions and the only cation present is

C a^{2 +}

X

moles of

C a O

are required to remove the

H C O_{3}^{-}

ions from

1000 kg

of this sample of water. When the same amount of

C a O

is added to the water sample, the concentration of residual

C a^{2 +}

ions (in ppm) becomes Y. (Assume

C a C O_{3}

to be completely insoluble in water)
Calculate the value of

X

and

Y

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When a small amount of solid calcium phosphide (Ca3P2) is added to water, what are the most likely products formed?

The correct option is A Aqueous Ca2+ and OH− ions and PH3 gasCalcium phosphide reacts vigorously with water to generate phosphine gas. Ca3P2 (s)+6H2O (l)⟶3Ca(OH)2 (aq.)+2PH3 (g)

When a small amount of solid calcium phosphide ( $C a_{3} P_{2}$ ) is added to water, what are the most likely products formed?

The correct option is A Aqueous $C a^{2 +}$ and $O H^{-}$ ions and $P H_{3}$ gas
Calcium phosphide reacts vigorously with water to generate phosphine gas.
$C a_{3} P_{2 (s)} + 6 H_{2} O_{(l)} ⟶ 3 C a (O H)_{2 (a q .)} + 2 P H_{3 (g)}$