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Why does aluminum not degrade in nature quickly?(a) It reacts at low temperature(b) It has an octet configuration(c) It has a tough oxide layer(d) It is an electronegative elementI got this question during an online exam.My question comes from P-Block Elements topic in chapter P-Block Elements of Chemistry – Class 12

Answer»

The correct option is (c) It has a tough oxide layer

The EXPLANATION: Aluminum is a PASSIVE METAL. MEANING, when formed in nature, it quickly reacts with oxygen in the air to form a tough, non-corrosive oxide layer. This layer prevents aluminum metal from reacting with any other substance.



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