Please tell me the reaction of sodium hydroxide with aluminium ,if your answer is formation aluminium hydroxide and sodium in result then and clear my doubt that sodium is more reactive than aluminium then how it is going to displace it????????
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Answer:
NaAlO2
Al will react with aqueous NaOH to give Sodium Aluminate with rapid evolution of H2 gas. ... In aqueous reaction conditions NaAlO2 will be accompanied by 2H2O i.e. “NaAlO2. 2H2O”.
Al + NaOH = NaAlO2 + H2
All Amphoteric metal Reaction with Caustic soda
evolved H2 gas
Al(OH)3 +Na is wrong Answer.
Check NCERT
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1
IT WILL NOT DISPLACE
BUT IT FORMS SODIUM ALUMINATE
2Al + 2NaOH + H20 -> NaAlO2 + 3H
AND IT IS HIGHLY EXOTHERMIC
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