In base vs. acid titration, at the end point methyl orange is present as
The reagent neutral ferric chloride is used to detect the presence of ______________
The formula of the purple colour formed in Laissaigne's test for sulphur using sodium nitroprusside is :
Given below are two statements :
Statement I : In 'Lassaigne's Test', when both nitrogen and sulphur are present in an organic compound, sodium thiocyanate is formed.
Statement II : If both nitrogen and sulphur are present in an organic compound, then the excess of sodium used in sodium fusion will decompose the sodium thiocyanate formed to give NaCN and Na2S.
In the light of the above statements, choose the most appropriate answer from the options given below :
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