Paper 1 February/March 2019 CHEMISTRY (9701/11) IGCSE
CIE
AS & A Level
Chemistry (9701)
خرداد
2019
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Danial Naderi
ثبت شده در
4 بهمن 1401
Alkynes are hydrocarbons that contain one triple $C \equiv C$ bond.
Like alkenes, alkynes take part in addition reactions. A saturated compound can be formed.
For example, ethyne, $H-C \equiv C-H$, reacts with an excess of hydrogen to form ethane.
Propyne, ${C_3}{H_4}$, undergoes an addition reaction with an excess of hydrogen bromide in two stages.
What is the main product obtained when propyne reacts with an excess…
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