Which precipitate is formed when ferric chloride reacts with caustic soda?

[1 mark]

F e {(O H)}_{2}

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F e {(O H)}_{3}

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F e O

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F e_{2} O_{3}

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Solution

The correct option is B $F e {(O H)}_{3}$
When ferric chloride reacts with caustic soda, the following reaction takes place:
$3 N a O H (s) + F e C l_{3} (l) \to 3 N a C l (s) + F e {(O H)}_{3} (s)$

$F e {(O H)}_{3}$ forms reddish brown precipitate.

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Which precipitate is formed when ferric chloride reacts with caustic soda? [1 mark]

The correct option is B Fe(OH)3When ferric chloride reacts with caustic soda, the following reaction takes place: 3NaOH(s) + FeCl3(l) → 3NaCl(s) + Fe(OH)3(s) Fe(OH)3 forms reddish brown precipitate.

Which precipitate is formed when ferric chloride reacts with caustic soda?

[1 mark]

The correct option is B $F e {(O H)}_{3}$
When ferric chloride reacts with caustic soda, the following reaction takes place:
$3 N a O H (s) + F e C l_{3} (l) \to 3 N a C l (s) + F e {(O H)}_{3} (s)$

$F e {(O H)}_{3}$ forms reddish brown precipitate.