glucose can be regarded as a simple molecular solid of formular HOCH2CH(OH)CH(OH)CH(OH)CH(OH)CHO it isreadily soluble in water because water molecules form hydrogen bonds to1.the carbon atoms of the glucose molecules2.the oxygen atom of the C=O group
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glucose can be regarded as a simple molecular solid of formular HOCH2CH(OH)CH(OH)CH(OH)CH(OH)CHO it isreadily soluble in water because water molecules form hydrogen bonds to1.the carbon atoms of the glucose molecules2.the oxygen atom of the C=O group
glucose can be regarded as a simple molecular solid of formular
HOCH2CH(OH)CH(OH)CH(OH)CH(OH)CHO
it isreadily soluble in water because water molecules form hydrogen bonds to
1.the carbon atoms of the glucose molecules
2.the oxygen atom of the C=O group of the glucose molecules
3.the OH groups of the glucose molecules
glucose can be regarded as a simple molecular solid of formular HOCH2CH(OH)CH(OH)CH(OH)CH(OH)CHO it isreadily soluble in water because water molecules form hydrogen bonds to1.the carbon atoms of the glucose molecules2.the oxygen atom of the C=O group
选3啊,题目问的是葡萄糖易溶于水的原因是跟哪个基团形成氢键,那自然是跟羟基形成氢键了
????
我考虑了一下,决定还是用中文应该选3,glucose 葡萄糖与水相溶是因为-OH。
原因很简单,想想酒精就好了,CH3CH2OH,H基和C肯定是不可能与水相溶的,这个可以想象CH4甲烷,因此OH基才是关键。
但是我们综合英语里学过是recall doing sth,为什么这道题选择recall呢?谢谢recall sth. 或者recall doing sth. recall 后面是加名词或者动名词的。这里