Statement I: Potassium hydrogen phthalate is primary standard for
Statement II : Phenolphthalein is used to detect completion of this titration.
Important Questions on Volumetric Analysis
Given below are two statements:
Statement-I : Methyl orange is a weak acid.
Statement-II : The benzenoid form of methyl orange is more intense/deeply coloured than the quinonoid form.
In the light of the above statement, choose the most appropriate answer from the options given below:
Statement (I) : Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution.
Statement (II) : In this titration phenolphthalein can be used as indicator.
In the light of the above statements, choose the most appropriate answer from the options given below:
of calcium hydroxide was consumed when it was reacted with of unknown solution of Also standard solution of containing drops of phenolphthalein was titrated with calcium hydroxide, the mixture showed pink colour when burette displayed the value of whereas the burette showed initially. The concentration of is (Nearest integer)
