Paper 1 October/November 2019 CHEMISTRY (9701/11) IGCSE
Cambridge
AS & A Level
Chemistry (9701)
بهمن
2019
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Tartaric acid, HOOCCH(OH)CH(OH)COOH, is found in many plants.
A sample of tartaric acid reacts with an excess of $LiAl{\text{ }}{H_4}$ to form the organic product J.
What happens when $NaOH\left( {aq} \right)$ is added to separate samples of tartaric acid and J?