What is the precipitate formed when a pale green compound reacts with caustic soda to form dirty green gelatinous precipitate along with sodium sulphate?

Ferric hydroxide

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Ferrous hydroxide

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Copper hydroxide

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Zinc hydroxide

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Solution

The correct option is B
Ferrous hydroxide

When ferrous sulphate reacts with caustic soda, a dirty green gelatinous ppt. of ferrous hydroxide is formed along with sodium sulphate. Ferrous sulphate is pale green in colour.

$F e S O_{4} + 2 N a O H \to F e (O H)_{2} + N a_{2} S O_{4}$

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What is the precipitate formed when a pale green compound reacts with caustic soda to form dirty green gelatinous precipitate along with sodium sulphate?

The correct option is B Ferrous hydroxide When ferrous sulphate reacts with caustic soda, a dirty green gelatinous ppt. of ferrous hydroxide is formed along with sodium sulphate. Ferrous sulphate is pale green in colour. FeSO4+2NaOH→Fe(OH)2+Na2SO4

The correct option is B
Ferrous hydroxide

When ferrous sulphate reacts with caustic soda, a dirty green gelatinous ppt. of ferrous hydroxide is formed along with sodium sulphate. Ferrous sulphate is pale green in colour.

$F e S O_{4} + 2 N a O H \to F e (O H)_{2} + N a_{2} S O_{4}$