Chemistry 9701 · AS & A Level · Analytical techniques

Analytical techniques — practice question

Y and Z are two selective weed killers that are used very widely. Which reagent can be used to tell Y apart from Z?

  • Aacidified $\text{AgNO}_3(\text{aq})$
  • BFehling’s solution
  • C$\text{Na}$
  • D$\text{Na}_2\text{CO}_3(\text{aq})$

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