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Standard XII

Chemistry

Oxides of Sulphur

Calcium phosp...

Question

Calcium phosphide reacts with water or dil. HCl and gives a compound 'X', which fails to react with HCl produces dense white fumes with HI(g) due to formation fo 'Y'. Compound X and Y respectively.

X = P H_{3} a n d Y = P H_{4} I

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X = P H_{4} a n d Y = P H_{4} I

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X = N a H_{2} P O_{2} a n d Y = H_{3} P O_{2}

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X = P H_{3} a n d Y = H_{3} P O_{2}

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Solution

The correct option is A $X = P H_{3} a n d Y = P H_{4} I$
$C a_{2} P_{3} + H_{2} O ⟶ P H_{3} (X)$
$↓$ $H C l$
$X (N o R e a c t i o n)$

$P H_{3} (X) + H I ⟶ P H_{4} I (Y)$
dense white fumes

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Calcium phosphide reacts with water or dil. HCl and gives a compound 'X', which fails to react with HCl produces dense white fumes with HI(g) due to formation fo 'Y'. Compound X and Y respectively.

The correct option is A X=PH3andY=PH4ICa2P3+H2O⟶PH3(X) ↓ HCl X(NoReaction)PH3(X)+HI⟶PH4I(Y) dense white fumes

The correct option is A $X = P H_{3} a n d Y = P H_{4} I$
$C a_{2} P_{3} + H_{2} O ⟶ P H_{3} (X)$
$↓$ $H C l$
$X (N o R e a c t i o n)$

$P H_{3} (X) + H I ⟶ P H_{4} I (Y)$
dense white fumes