Question

In what chemical does methyl orange does not change colour

Answer 1

Explanation:

Because it changes color at the pKa of a mid strength acid, it is usually used in titration for acids. Unlike a universal indicator, methyl orange does not have a full spectrum of color change, but it has a sharp end point.

Chemical formula: C14H14N3NaO3S

Boiling point: Decomposes

Melting point: > 300 °C (572 °F; 573 K) (not precisely defined)