A solution of which substance can best be used as both titrant and its own indicator in an oxidation-reduction titration ?

A solution of which substance can best be used as both titrant and its

1.	A solution of which substance can best be used as both titrant and its own indicator in an oxidation-reduction titration ?
Answer» <html><body><p>`I_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)`<br/>NaOCl<br/>`K_(2)Cr_(2)O_(7)`<br/>`KMnO_(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :N//A</body></html>