23. a) What is an alkali?
b) Why do HCI, HNO3 etc. show acidic characters in aqueous solutions while solutions of compounds like
alcohol and glucose do not show acidic character?
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a compound with particular chemical properties including turning litmus blue and neutralizing or effervescing with acids; typically, a caustic or corrosive substance of this kind such as lime or soda.
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23.
23. a) An alkali is a base which is soluble in water . a base is any solution which turns red litmus blue , reacts with acid to form salt and water and phenolphthalein sol pink ..
eg of alkali : NaOH , KOH
identification of base : contain OH group , bicarbonate group , hydrogen group , pxygen group
b) When alcohols and glucose are mixed with water then they do not dissolve to form H3O+ or H+ ions , hence they do not show acidic character.
whereas HCl and HNO3 dissolve to form H3O + or H + ions so they r acids
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