Question

perparation of soap and with equation

Answer 1

When an oil is treated with sodium hydroxide solution, it gets converted to sodium salt of the acid (soap) and glycerol. this reaction is called saponification.

CH-O-COC₁₇H₃₅                      CH₂OH
|                                                    |
CH-O-COC₁₇H₃₅ + 3NaOH ⇒ CHOH + 3C₁₇H₃₅COONa
|                                                    |
CH-O-COC₁₇H₃₅                       CH₂OH

Answer 2

preparation of soap is called as saponification.