Question

methel orange is added to dilute hcl

Answer 1

Methyl orange (MO), as you know, is an acid-base indicator.

The problem with those is that they do not distinguish between acidic and basic medium, but rather between different pHs. MO has a transition interval of 3.1-4.4, which means it's red below 3.1 and yellow over 4.4. Within this interval it's all about transition colors (red through orange to yellow).