MCQ
Which one is the electronic configuration of $F{e^{ + 2}}$
- ✓$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^6}$
- B$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^4},4{s^2}$
- C$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^5},4{s^1}$
- DNone of these
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${\Delta _r}{G^o} = A - BT$
Where $A$ and $B$ are non -zero constant. Which of the following is $TRUE$ about this reaction?
$(A)$ It behaves as a weak acid in water due to self ionization.
$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.
$(C)$ It has a three dimensional structure due to hydrogen bonding.
$(D)$ It is weak electrolyte in water.