Two electrolytes X and Y are diluted. ${\mathrm{\Lambda }}_{\mathrm{m}}$ of I increases 1.5 times and for X it increase 25 times. Predict the strong electrolyte among X and Y .

• A

  X

• B

  Y

• C

  Both (a) and (b)

• D

  There is no effect of dilution on nature of electrolyte