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Classification of Matter A.2 Classification of Organic Compounds (id: 4aff907ef)

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admin 发表于 2024-2-5 18:11:02 | 显示全部楼层 |阅读模式
本题目来源于试卷: Classification of Matter A.2 Classification of Organic Compounds,类别为 IB化学

[单选题]
Which row gives the : jnus s7whc6c)wlpg7.748o i ge .yzdn *mmu:g ioz:g)/wd e* nw0)kfcorrect number of peaks and integration values for the structurzg egm)/*u)nmn i:o0w :dfw k*e below?



A. Peaks is 4 ; Integration is 6:1:2:3
B. Peaks is 4 ; Integration is 3:3:2:3
C. Peaks is 5 ;Integration is 3:3:1:2:3
D. Peaks is 5 ;Integration is 6:1:2:1:3


参考答案:  A


本题详细解析:
Explanation:
There are 4 proton environments as the $CH(CH_3)_2$​ protons are equivalent. Integration gives the relative number of protons in each environment. There are 3 on C1, 2 on C2, 1 of C3 and 6 on C4 and 5.

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