1.

(i) Write balanced chemical equations only for the following chemical properties of acids: (a) When an acid reacts with a metal. (b) When an acid reacts with a metal bicarbonate. (c ) When an acids reacts with a base. (ii) Three solutions A, B and C has pH values 5,8 and 10 respectively. Amongst the three which solution as maximum hydrogen ion concentration? Classify the nature of the three solutions as acidic or basic?

Answer»

Solution :(i) (a) `Zn+H_2SO_4 to ZnSO_4+H_2`
(B) `HCl+NaHCO_3 to NaCl+H_2O+CO_2`
(c ) `HCL+NaOH to NaCL+H_2O`
(II) A has maximum `[H^+]` CONCENTRATION
A is acidic.
B and C are BASIC in nature.


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