Paper 1 October/November 2021 CHEMISTRY (9701/11) IGCSE
CIE
AS & A Level
Chemistry (9701)
بهمن
2021
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه

پیش نمایش صفحه اول فایل
Z is a gaseous hydrocarbon which has a density of 3.50×10$^{–3}$g cm$^{–3}$ under room conditions.
Z reacts with an excess of hot concentrated acidified KMnO$_4$.
Only one type of carboxylic acid is formed in this reaction.
What is Z?