Statement(I) : In the titration of Na2CO3 with HCl using methyl orange indicator, the volume of acid required is twice that of the acid required using phenolphthalein as indicator.Statement(II) : Two moles of HCl are required for the complete neutralisation of one mole of Na2CO3

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Both Statement 1 and Statement 2 are true

Statement 1 is true and Statement 2 is false .

Statement 1 is false and Statement 2 is true.

Both Statement 1 and Statement 2 are false.

answer is A.

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Detailed Solution

Na2CO3 + 2HCl → 2NaCl + H2O + CO2,phenolphathalein is used forNa2CO3 + HCl → NaHCO3 + NaCl

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