Which of the following () describes the physical properties of an alkyne? () A relatively nonpolar B nearly insoluble in water C less dense than water D insoluble in most organic solvents 相关知识点: 试题来源: 解析 D 解析见答案 反馈 收藏 ...
Which of the following compounds is an alkyne? a. C3H6 b. CH3-CH2-CH2CH3 c. H2C=CH-CCH d. CH3-CH2-CH3 e. 2-penteneWhich one of the following acyclic compounds is unsaturated? A. C_6H_{14} B. C_4H_8 C. C_3H_8 D. CH_4 E. C_2H_6Which hydrocarbon ...
Which of the following molecular formulae represence a saturated hydrocarbon ? View Solution Which of the following is an ester ? View Solution Which of the following is an ester ? View Solution Which is the molecular formula of decane? View Solution Which of the following has ester linkage...
Which one of the following compound is(are) aromatic? Aromatic Behavior: sp3 Answer and Explanation:1 Condition for the compounds to show aromatic behavior: 1. The compound must be cyclic 2. Compound must be plane that is all carbons are {eq}\rm... ...
metal catalyst (traditionally palladium). Palladium is able to perform oxidative insertion into the carbon halogen bond, before coordinating and inserting into the double bond of an alkene. Beta-hydride elimination then provides us w...
What is addition reaction give two examples? Examples of Addition Reaction Examples of addition reactions that are common in alkene includehalogenation, hydration, hydrohalogenation, hydrogenation, and polymerization. Alkyne can undergo addition reaction to give an alkene or its derivative. ...
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a formation of a bis-silylated alkyne when an alkyne is reacted with an organodihalosilane or a trihalosilane in the presence of a platinum catalyst comprising a platinum halide or a reaction product of the platinum halide with an orgnosilicon compound having an unsaturated aliphatic end group...
The immunomodulatory properties of short-chain fatty acids (SCFAs), produced by the gut microbiome, are acknowledged, though their precise role in the aging gut-lung axis is not well-understood. Our study explored the gut microbiome's influence on inflammatory signaling in the aging lung by ...
The invention claimed is: 1. A pharmaceutical composition comprising at least one compound of formula (I): or a pharmaceutically acceptable salt thereof, an isomer or isomer mixture thereof in all proportions, for which: R1 represents a hydrogen atom or a (C1-C6)alkyl, (C3-C10)cycloalkyl, ...