IOM 2018, Блиц, английски — Задача 59

OLYMPIAD OF METROPOLISES. Moscow, September 3 · 3 септември 2018 г.

Условие

An unknown organic compound A consists of carbon, hydrogen, and oxygen. A 21.51 g sample of A contains $1.506 \cdot 10^{23}$ molecules. Hydrolysis of A in the presence of an acid gives the carboxylic acid B and the substance C. In addition, oxidation of C with potassium dichromate gives B. What is A?

1. ethyl acetate
2. methyl acrylate
3. ethyl butyrate
4. vinyl acetate
5. crotonic acid

Отговори

Решение

Оригинал в Архива: blitz.pdf · официални решения: blitz-answers.pdf