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WBJEE · Chemistry · Some Basic Concepts of Chemistry

What will be the normality of the salt solution obtained by neutralising \(x\) mL. \(y\) (N) HCl with \(y \quad\) mL \(x\) (N) \(\mathrm{NaOH}\), and finally adding \((x+y) \mathrm{mL}\) distilled water

  1. A \(\frac{2(x+y)}{x y} N\)
  2. B \(\frac{x y}{2(x+y)} N\)
  3. C \(\left(\frac{2 x y}{x+y}\right) N\)
  4. D \(\left(\frac{x+y}{x y}\right) N\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\frac{x y}{2(x+y)} N\)

Step-by-step Solution

Detailed explanation

The reaction for given reaction is \(\mathrm{HCl}+\mathrm{NaOH} \longrightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}\) Number of moles xy xy 0 0 Added \(\quad N V \quad N V\) Number of moles left 0 0 xy xy \(\therefore N(\) solution…