Identify the incorrect statement from the following
Identify the incorrect statement from the following
Option 1 - <p>Alkali metals react with water to form their hydroxides.</p>
Option 2 - <p>The oxidation number of K in KO₂ is +4.<br><!-- [if !supportLineBreakNewLine]--><br><!--[endif]--></p>
Option 3 - <p>Ionisation enthalpy of alkali metals decreases from top to bottom in the group.</p>
Option 4 - <p>Lithium is the strongest reducing agent among the alkali metals.</p>
2 Views|Posted 5 months ago
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5 months ago
Correct Option - 2
Detailed Solution:
The oxidation state of K in KO? is (+1).
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Li+ has the highest hydration enthalpy.
Hence it is most hydrated
Therefore, Correct order of hydrated radii is Cs+ < Rb+ < K+ < Na+ < Li+
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Chemistry Ncert Solutions Class 11th 2023
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