Which of the following acids can show cris-trans isomerism?

Which of the following acids can show cris-trans isomerism?

مندرجہ ذیل میں سے کون سا تیزاب کرس ٹرانس آئیسومیرزم دکھا سکتا ہے؟
Explanation

Maleic-fumaric acid shows cis-trans isomerism.

Maleic acid is the cis-isomer of butenedioic acid

whereas fumaric acid is the trans-isomer.

ND10-9-2023