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Q 2685323267.    

JEE 1991

Assertion : In the titration of `Na_2CO_3` with HCl using methyl orange indicator, the volume required at the equivalence point is twice that of the acid required using phenolphthalein indicator.

Reason : Two moles of HCl are required for the complete neutralisation of one mole of `Na_2CO_3`

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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