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Methods to Form Lyophobic Colloids

Which reactio...

Question

Which reaction does yield a colloidal solution?

C u + H g {C l}_{2} ⟶ C u {C l}_{2} + H g

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2 H {N O}_{3} + 3 H_{2} S ⟶ 3 S + 4 H_{2} O + 2 N O

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2 M g + C O_{2} ⟶ 2 M g O + C

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C u + C u C l_{2} ⟶ C u_{2} C l_{2}

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Solution

The correct option is B $2 H {N O}_{3} + 3 H_{2} S ⟶ 3 S + 4 H_{2} O + 2 N O$
$2 H N O_{3} + 3 H_{2} S o x i d a t i o n - ---- \to 3 S (s o l) + 4 H_{2} O + 2 N O$

Colloidal dispersions can be prepared by chemical reactions leading to the formation of molecules by double decomposition, oxidation, reduction or hydrolysis. These molecules ten aggregate \leading to formation of sols.
Hence, the correct answer is (b).

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Similar questions

P b + C u C l_{2} \to P b C l_{2} + C u

N a_{2} S O_{4} + B a C l_{2} \to B a S O_{4} + 2 N a C l

C + O_{2} \to C O_{2}

C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O

H_{2} S

H C l

C u C l_{2}

H g C l_{2}

B i C l_{2}

C o C l_{2}

C u

{C u}^{+}

{C u}^{+ +}

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3 C u + 6 H^{+} + 2 H N O_{3} \to C u^{2 +} + 2 N O + 4 H_{2} O

H N O - 3

3 C u S + 8 H N O_{3} ⟶ 3 C u (N O_{3})_{2} + 2 N O + 4 H_{2} O + 3 H_{2} O

3 H g S + 2 (H N O_{3} + 3 H C l a q u a r e g i a) △ ⟶ 3 H g C l_{2} + 2 N O + 3 S

A g_{2} S_{3}

A s_{2} S_{3} + 6 N a O H ⟶ N a_{3} A s O_{3} + N a_{3} A s S_{3} + 3 H_{2} O + 4 H_{2} O

[S n (O H)_{3}]^{-}

2 [S n (O H)_{3}]^{-} \to S n (s) + [S n (O H)_{6}]^{2 -}

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