Acids bases and salts Flashcards
Acids are derived from latin word meaning ____
Sour
Acid is a compound which when dissolved in water yields ______ ions as the only _____ charged ions
Hydronium (H3O+) ions , positively
HCl + H2O -> ___ + ___
H3O+ , Cl-
Base is a compound which reacts with hydronium ions of ___ to give ___ and ___ only
Acids, salt, water
CuO + 2HCl -> ___ + ____
CuCl2, H2O
Cu(OH)2 + H2SO4 -> ___ + ___
CuSO4 , 2H2O
Bases are _______ or _______ of a metal
Oxides, Hydroxides
Example of bases which are not alkalis
ZnO PbO CuO Fe(OH)2 Pb(OH)2 Cu(OH)2
An alkali is a compound which when dissolved in water yields ____ ions as the only ___ charged ions
Hydroxyl(OH-) ions , negatively
Alkalis are ___ bases
Soluble
NaOH –> __ + __
Na+, OH-
Example of alkalis
NaOH, KOH( Strong)
Ca(OH)2, NH4OH (Weak)
All alkalis are ___ but all bases are not ____
bases, alkalis
On basis of source of acids, how can u classify acids
Organic and inorganic
Organic acids are acids derived from ___
Plants
Example of organic acids
Citric, oxalic, tartaric, acetic acids
Inorganic acids are derived from ___ and are also known as ___
Minerals, mineral acids
Example of inorganic acids
HCl, HNO3, H2SO4, HI
On basis of molecular composition of acids, how can u classify acids
Hydracids and oxyacids
Hydracids must contain ____ and ______
Hydrogen and non metal except oxygen
Oxyacids must contain ___, ____ and ___
Hydrogen, another element and oxygen
Example of hydracids
HCl, HBr HI
Example of oxyacids
HNO3, H2SO4
Strength of an acid depends on
Conc of H3O+ ions present in aq.soln of acid
Strong acid produces ___ concentration of H+ or H3O+ ions
High
Example of strong acid
HCl, H2SO4, HNO3
Example of weak acid
Acetic, citric, carbonic acid
Strength of alkali depends on
Conc of OH- ions present in aq.soln of alkali
