Paper 1 May/June 2015 CHEMISTRY (9701/11) IGCSE
Cambridge
AS & A Level
Chemistry (9701)
شهریور
2015
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
$\beta$-carotene is responsible for the orange colour of carrots.
$\beta$-carotene is oxidised by hot, concentrated, acidified KMnO$_4$.
When an individual molecule of $\beta$-carotene is oxidised in this way, many product molecules are formed.
How many of these product molecules contain a ketone functional group?