Question

The correct nomenclature for the following compound is:

(1) 2–carboxy–4–hydroxyhept–6–enal 

(2) 2–carboxy–4–hydroxyhept–7–enal 

(3) 2–formyl–4–hydroxyhept–6–enoic acid

(4) 2–formyl–4–hydroxyhept–7–enoic acid

Answer 1

Correct option is (3) 2–formyl–4–hydroxyhept–6–enoic acid

2-formly-4-hydroxyhept-6-enoic acid