Which of the following indicator is known as metal indicator

Which of the following indicator is known as metal indicator

Options

(a) Phenolphthalein
(b) Phenol red
(c) Eriochrome Black-T
(d) Methyl orange

Correct Answer:

Eriochrome Black-T

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. The oxidation state of chlorine in HClO₄ is
  2. An aqueous solution of CoCl₂ on addition of excess of concentration HCl
  3. The general molecular formula for a cycloalkyl group is
  4. If a mixture of CO and N₂ in equal amount have total 1 atm pressure
  5. The colour of p-aminoazobenzene is