Select the correct order of their thermal stability: (a) \( \mathrm{LiOH}\mathrm{NaOH}\mathrm{KO...

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Select the correct order of their thermal stability:
(a) \( \mathrm{LiOH}\mathrm{NaOH}\mathrm{KOH}\mathrm{RbOH}\mathrm{CsOH} \)
(b) \( \mathrm{Na}_{2} \mathrm{O}_{2}\mathrm{K}_{2} \mathrm{O}_{2}\mathrm{Rb}_{2} \mathrm{O}_{2}\mathrm{Cs}_{2} \mathrm{O}_{2} \)
(c) \( \mathrm{NaO}_{2}\mathrm{KO}_{2}\mathrm{RbO}_{2}\mathrm{CsO}_{2} \)
(d) \( \mathrm{NaO}_{2}\mathrm{KO}_{2}\mathrm{RbO}_{2}\mathrm{CsO}_{2} \)
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