Предмет: Химия, автор: Safiullinnn

Какие вещества являются структурними изомерами?
1)толуол и бензол
2)метанол и этанол
3)бутановая кислота и этилацетат
4)бутен-1 и бутин-1
5) нет варианта ответа

Ответы

Автор ответа: gavrilka
2
Ответ: 3 (бутановая кислота и этилацетат: C3H7COOH и C4H8O2)
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The ‘Fab Four’, the famous Liverpool musical group commonly known as ‘the Beatles’, got to the peak of its popularity in the 60s. But the real story began much earlier when Paul McCartney heard the skiffle country music played by John Lennon’s group at St.Paul’s church in Liverpool. McCartney was a brilliant guitarist, so they let him join the group a week later.


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The group changed its name several times, from ‘Johnny and the Moondogs’ to ‘Long John and the Silver Beatles’ and finally ‘The Beatles’. The short title is in itself a smart mixture of two words. The ‘beat’ is a synonym for musical rhythm, while ‘the beetles’ describes insects producing sounds using their shiny wings.


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