Question

For the formation of terylene the number of moles of ethylene glycol required per mole of terephthalic acid is

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer 1

Answer: (A)

For the preparation of terylene, $n$ moles of glycol are required for $n$ moles of terephthalic acid.

$\therefore$ Per mole of terephthalic acid, moles of ethylene glycol required is $=1$