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Arrange in their increasing order of equilibrium constants for hydraion ?

(a) ${\mathrm{CH}}_{3}-\underset{\left(\mathrm{A}\right)}{\overset{\stackrel{\mathrm{O}}{\parallel }}{\mathrm{C}}}-{\mathrm{CH}}_{3}$,     ${\mathrm{CH}}_{3}-\underset{\left(\mathrm{B}\right)}{\overset{\stackrel{\mathrm{O}}{\parallel }}{\mathrm{C}}}-\mathrm{H}$,

(a) A < B < C < D < E

(b) A < C < B < E < D

(c) A < C < E < B < D

(d) C < A < B < E < D