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Calorimetry

In which of t...

Question

In which of the following reaction "Philosopher's wool" is formed:

Z n + S Δ - \to Z n S

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Z n + {C l}_{2} Δ - \to {Z n C l}_{2}

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F e S + O_{2} Δ - \to F e O + {S O}_{2}

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Z n + H_{2} O (s t e a m) Δ - \to Z n O + H_{2}

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Solution

The correct option is C $Z n + H_{2} O (s t e a m) Δ - \to Z n O + H_{2}$
ZnO is Philosopher's wool.
Reaction:
$Z n + H_{2} O (s t e a m) Δ - \to Z n O + H_{2}$
philosopher's wool

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Similar questions

Z n + d i l . H_{2} S O_{4} \to Z n S O_{4} + H_{2}

Z n + c o n c . H_{2} S O_{4} \to Z n S O_{4} + S O_{2} + H_{2} O

I

I I

Z n \to Z n^{2 +} + 2 e^{-} (E_{(Z n^{2 +} / Z n)}^{0} = - 0.76 V)

F e \to F e^{2 +} + 2 e^{-} E^{0} = 0.41 V

F e^{2 +} + Z n \to Z n^{2 +} + F e

E_{c e l l}^{0}

F e^{= 2} + Z n \to Z n^{+ 2} + F e

E_{Z n / Z n^{+ 2}}^{0} = 0.76 V, E_{F e / F e^{+ 2}}^{0} = + 0.41 V

Z n [F e S_{2}]_{2}

Z n

F e

S

Z n + 2 F e + 4 S \to Z n [F e S_{2}]_{2}

F e

Z n

In the reaction Zn +2 $H^{+}$ +2 $C l^{-}$ $⟶$ $Z n^{+} 2$ + 2 $C l^{-}$ + $H_{2}$ the spectator ion

$Z n + 2 H^{+} + 2 C l^{-} - - - - - - - > Z n^{2 +} + 2 C l^{-} + H_{2}$

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