On passing CO2 into aqueous solution containing Al3+ ions:
A
Al2(CO3)3 is formed
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B
Al(OH)3 is precipiated
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C
Al2O3 is formed
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D
Collodial Al(OH)3 is formed
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Solution
The correct option is BAl(OH)3 is precipiated Aluminium carbonate is formed in double decomposition reaction soluble carbonates are sufficiently alkaline to precipitate aluminium hydroxide.