Paper 1 May/June 2007 CHEMISTRY (9701/01) IGCSE
Cambridge
AS & A Level
Chemistry (9701)
شهریور
2007
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه
پیش نمایش صفحه اول فایل
The mechanism for the reaction between ethanal and hydrogen cyanide starts with the step shown.
What is the correct structure of the intermediate ion formed, and what is the next step in this mechanism?