Which one of the following reaction is not possible ?A. `Fe + H_(2)SO_(4) to FeSO_(4) + H_(2)`B. `Cu + 2 AgNO_(3) to Cu (NO_(3))_(2) +2 Ag`C. `2 KBr + I_(2) to 2 KI + Br_(2)`D. `Cu O + H_(2) to Cu + H_(2)O`

Which one of the following reaction is not possible ?A. `Fe + H_(2)SO_

1.	Which one of the following reaction is not possible ?A. `Fe + H_(2)SO_(4) to FeSO_(4) + H_(2)`B. `Cu + 2 AgNO_(3) to Cu (NO_(3))_(2) +2 Ag`C. `2 KBr + I_(2) to 2 KI + Br_(2)`D. `Cu O + H_(2) to Cu + H_(2)O`
Answer» Correct Answer - C `I_(2)` is less reactive than `Br_(2)` .

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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^(-)`
What are elementary reactions ?

Which one of the following reaction is not possible ?A. `Fe + H_(2)SO_(4) to FeSO_(4) + H_(2)`B. `Cu + 2 AgNO_(3) to Cu (NO_(3))_(2) +2 Ag`C. `2 KBr + I_(2) to 2 KI + Br_(2)`D. `Cu O + H_(2) to Cu + H_(2)O`

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