下列醇按酸性大小的顺序排列为()。
(1)CH3CH2OH;
(2)CH3CH2OHCH3;
(3)PhCH2OH;
(4)(CH3)3C—COH。
A . (3)>(1)>(2)>(4);
B . (1)>(2)>(3)>(4);
C . (3)>(2)>(1)>(4);
D . (1)>(3)>(2)>(4)。
[填空题] CH3CH2OH俗称()。
.-|||-::-|||-①CH3CH2OH ②CH3CHOHCH3 ③PhCH2OH④ ((C{H)_(3))}_(3)C-OH-|||-(A)bigcirc
(H)_(2)=CHC(H)_(2)OH-|||-OCH3-|||-CH3CH2CHCHCH3-|||-OH-|||-OH-|||-CH3CH2CHCHCH2
为了合成烯烃 [单选题]-|||-A、-|||-CH3CH2CH CH2CH2OH-|||-B、-|||-CH3CH2CH22CHCH3-|||-OH-|||-
用下列哪个试剂可将CH3CH=CHCH2CH2CHO还原为 CH3CH2CH2CH2CH2 CH2OHA. NaBH4B. LiHAl4C. H2+PdD. N
CH2OH C. OH D. CH2CC2H5-|||-CH3 OH最易发生脱水成烯反应的 ____
下列化合物沸点从小到大次序是()。(a)CH3CH2CH2COOH;(b)CH3CH2CH2CH3;(c)CH3CH2CH2CH2OH;(d)CH3CH2CH2
下列基团按次序规则顺序排列,由大到小的顺序是( ) (1) —OH (2) —CH=CH2(3) —C6H5 (4) —C(CH3) 3A. (1)>(2)>(
[单选题]按照次序规则判断,-CH2OH、-CH2C(CH3)3、-CH2NH2的优先顺序为()。A . -CH2OH>-CH2NH2>-CH2C(CH3)3B . -CH2NH2>-CH2OH>-CH2C(CH3)3C . -CH2C(CH3)3>-CH2NH2>-CH2OHD . -CH2NH2>-CH2C(CH3)3>-CH2OH
3.下列化合物酸性最强的是 ()-|||-A.CH3CH2 COOH B.CH2CH CH2OH-|||-C.CH3CHCOOH D.(CH3)2CHCOOH