___ has high pH value. (Dilute HCl or Concentrated HCl)

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Solution

Dilute HCl has higher pH value than concentrated HCl because it has less number of $H^{+}$ ions. If an acid in one of its solutions has higher pH value, then it means that the acid is in diluted form.

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Q. ___ has higher pH value. (Dilute HCl or Concentrated HCl)

Q. Assertion :Dilute HCl cannot be concentrated beyond a certain concentration by boiling. Reason: HCl boiling and melting point depend on the concentration or molarity of HCl in aqueous solution. They range from a very low conc of 0% HCl to values for fuming HCl at over 40% HCl.

Explain the reason why:
(i) HCl gas fumes in moist air.
(ii) Dilute HCl cannot be concentrated beyond 22.2% by distillation.
(iii) Dilute acids are stronger electrolytes as compared to concentrated acid.
(iv) Liquid ammonia has no action on litmus while liquor ammonia has an effect.
(v) Ammonia is not collected over water.
(vi) Pure nitric acid does not dissolve gold or platinum, but aqua regia dissolves them.

pH of a dilute solution HCL of is 6.95.
Calculate molarity of HCL solution.

Q. Whose

p H

increases by greater value on dilution from:

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___ has high pH value. (Dilute HCl or Concentrated HCl)

Dilute HCl has higher pH value than concentrated HCl because it has less number of H+ ions. If an acid in one of its solutions has higher pH value, then it means that the acid is in diluted form.

Dilute HCl has higher pH value than concentrated HCl because it has less number of $H^{+}$ ions. If an acid in one of its solutions has higher pH value, then it means that the acid is in diluted form.