Hey, chemistry is not that bad IIIIIIII

Chemistry Level 2

Pick the hydroxide which has the highest basic strength from the given choices.

N a O H NaOH K O H KOH C a ( O H ) 2 Ca(OH)_2 A l ( O H ) 3 Al(OH)_3

Nihar Mahajan by Nihar Mahajan , 20, India

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2 solutions

Rajdeep Das
Jul 16, 2016

Potassium has the highest metallic character among calcium, aluminium, sodium and itself. Stronger the metal, stronger the base. Thus KOH is the strongest base.

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Ashish Menon
May 16, 2016

Laboratory experiments have revealed that potassium ion is larger than the ions of the remaining options. So it easily lends hydroxide ions compared to other. And maybe that is the reason why KOH is generally prefered while doing laboratory experiments for proving that carbon dioxide is responsible for photosynthesis and of the sort because it is stronger. Moreover it is placed at the top in the reactivity series.

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