Paper 1 February/March 2017 CHEMISTRY (9701/12) IGCSE
Cambridge
AS & A Level
Chemistry (9701)
خرداد
2017
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Structural isomerism and stereoisomerism should be considered when answering this question.
If a molecule contains two non-identical chiral carbon atoms, four optical isomers exist.
How many isomers are there with:
• molecular formula ${C_7}{H_{14}}O$ and
• a five-membered ring and
• a tertiary alcohol group?