9. Which of the following gives the correct increasing order of acidic strength? (a) Water < Acetic acid < Hydrochloric acid (b) Water < Hydrochloric acid < Acetic Acid (c) Acetic acid < Water < Hydrochloric acid
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9. Which of the following gives the correct increasing order of acidic strength? (a) Water < Acetic acid < Hydrochloric acid (b) Water < Hydrochloric acid < Acetic Acid (c) Acetic acid < Water < Hydrochloric acid
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Answer:
a)
Explanation:
HCl is the strongest acid
pH value between zero to seven is considered acidic
ph value of hcl is 1.5 to 3.5
ph value of acetic acid is 4.76
ph value of water is 6.5–8.5
increasing if ph value reduce the acidity of the substance
Answer:
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Explanation:
The increasing order of acid strength is;
Water < Acetic acid < Hydrochloric acid.
The solution of HCl will have more number of H+ ions as HCl completely dissociated in water.
Acetic acid partially dissociates in water to give less number of H+ ions.
Water is considered as neutral. It contains equal number of H+ and OH− ions.