Aluminium is more reactive than Fe. But Al is less easily corroded than iron becauseA. Al is noble metalB. Iron forms both mono and divalent ionsC. Oxygen forms a protective oxide layerD. Fe undergoes reaction easily with `H_(2)O`

Aluminium is more reactive than Fe. But Al is less easily corroded tha

1.	Aluminium is more reactive than Fe. But Al is less easily corroded than iron becauseA. Al is noble metalB. Iron forms both mono and divalent ionsC. Oxygen forms a protective oxide layerD. Fe undergoes reaction easily with `H_(2)O`
Answer» Correct Answer - C Aluminium forms a protective oxide layer but iro does not.

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Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^(-)`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^-`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
What are elementary reactions ?

Aluminium is more reactive than Fe. But Al is less easily corroded than iron becauseA. Al is noble metalB. Iron forms both mono and divalent ionsC. Oxygen forms a protective oxide layerD. Fe undergoes reaction easily with `H_(2)O`

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