MCQ
Incorrect statement regarding rusting is
- AMetallic iron is oxidised to $F{e^{3 + }}$ions
- ✓Metallic iron is reduced to $F{e^{2 - }}$ ions
- COxygen gas is reduced to oxide ion
- DYellowish -brown product is formed
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$2A{B_2}(g) \rightleftharpoons 2AB(g) + {B_2}(g)$
$k =\left(6.5 \times 10^{12} \,s ^{-1}\right) e ^{-26000 K / T }$
is followed for the decomposition of compound $A$. The activation energy for the reaction is $.....\,kJ$ $mol ^{-1}$. [nearest integer]
(Given: $R =8.314 \,J\, K ^{-1}\, mol ^{-1}$ )
Assertion $A :$ Flourine forms one oxoacid.
Reason $R$ : Flourine has smallest size amongst all halogens and is highly electronegative
In the light of the above statements, choose the most appropriate answer from the options given below.