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Question
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
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Solution
The reaction of freshly precipitated aluminium hydroxide with caustic soda solution is as :
\[\ce{Al(OH)3 + NaOH ->\underset{\text{Sodium aluminate (White)}}{NaAlO2 + 2H2O}}\]
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A compound X (having the vinegar-like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
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Name
a metallic hydroxide soluble in excess of NH4OH.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
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Name: A metallic oxide soluble in excess of caustic soda solution.
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The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Why the alkali is added drop by drop to the salt solution?
