Select the correct statement(s) out of the following related to alkali metal oxides and hydroxides.
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a
Alkali metal hydroxides are white crystalline solids.
b
Super oxides of alkali metals are yellow/orange in colour'
c
Dissolution of alkali metal hydroxides is highly exothermic due to intense hydration.
d
All of the above are correct
answer is D.
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Detailed Solution
Alkali metal hydroxides are white solids and their solubility in water is exothermic reaction. Super oxides are coloured and paramagnetic due to presence of unpaired electron.