A Wisdom Archive on Elimination

Aldehyde - Preparation. There are three notable methods for preparing aldehydes: Reacting a primary alcohol with an oxidizing agent, Reacting an alkene (if there is a vinylic hydrogen) with ozone will cause the C=C bond to break yielding an aldehyde upon workup, in a process called ozonolysis. Reacting an ester with DIBAL-H can cause reduction, yielding an aldehyde. Reduction of an acid chloride ...

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Cat - Physical. Cats typically weigh between 2.5 and 7 kg (5.5–16 lb); however, some breeds, such as the Maine Coon can exceed 11.3 kg (25 pounds). Some have been known to reach up to 23 kg (50 lb), due to overfeeding. This is very unhealthy for the cat, and should be prevented through diet and exercise (playing), especially for cats living exclusively indoors. In captivity, indoor cats typically live 15 to 20 years, though the oldest-known cat lived to age 36.

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Copper(II) chloride is an ionic compound which dissociates in aqueous solution, but coordination of chloride to Cu2+ does partially occur. This means that concentrated solutions of CuCl2 are green- a combination of the blue colour of [Cu(H2O)6]2+ with the yellow or red colour of the halide complexes. CuCl2 also behaves as a mild Lewis acid, for example in its reaction with HCl (or other chloride sources) to form the complex ions CuCl3

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Alkene - Shape of Alkenes. As predicted by the VSEPR model of electron pair replusion, in the molecular geometry of alkenes the bond angles about each carbon in a double bond are about 120°, although the angle may be larger because of steric strain introduced by nonbonded interactions created by functional groups attached to the carbons of the double bond. For example, the C-C-C bond angle in propene is 123.9°. The alkene double bond is stronger than a single covalent bond and also shorter with an average bond length of 133 picometre.

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Chanel initially auditioned in Canberra but was not put through. Dressing in what she now calls "an exaggerated version" of herself, Chanel finally managed to get through to the third round of auditions; appearing before the judges Mark Holden, Marcia Hines and Ian Dickson on her second attempt in Sydney. After discussing her unusual hair fashions and her penchant for plastic babies, Cole performed a humourous rendition of the jazz gem, When I Get Low, I Get High which provoked a standing ovation from the usually stern Dickson. Before ...

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Alkene - Addition reactions. Alkenes reacts in many addition reactions. Catalytic addition of hydrogen: Catalytic hydrogenation of alkenes produce the corresponding alkanes. The reaction is carried out under pressure in the presence of a metallic catalyst. Common industrial catalysts are based on platinum, nickel or palladium, for laboratory syntheses, Raney's nickel is often employed. This is an alloy of nickel and aluminium. This is the catalytic hydrogenation of ethylene to yield ethane: CH ...

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In 2005, Cole and fellow idol Daniel Belle collaborated with the Brisbane-based electronica duo Statler & Waldorf, under the collective name of "Spook". The debut album of the self-described "downtempo project" is called The Dusk Sessions and is entirely funded by the group members themselves. From April 2005, demo versions of "Faster", "Predator" and "Running Away" were made available for download on Statler & Waldorf's official website. The completed album was released on October 4 2005 through the group's inde ...

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Aldehydes are named by IUPAC nomenclature by changing the suffix -e of the parent alkane to -al. Aliphatic aldehydes are named as derivatives of their longest alkyl chain. Thus, HCHO is named as a derivative of methane, and CH3CH2CH2CHO is named as a derivative of butane. The suffix -al replaces the -e of the alkane name. Thus, HCHO is named methanal, more commonly known as formaldehyde, and CH3CH2 ...

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Chanel Cole Whalley was born in Hamilton, New Zealand, to mother Mariana and father Brendon on November 13, 1977. Her unusual middle name was named after her dark, "black-as-coal" eyes. Three years after her birth, Whalley's parents divorced. She lived first with her mother and then with her father from the age of 7, where she attended a total of 12 different school in as many different towns. A self-professed "rebellious nerd", Whalley never settled happily into the school system. In addition to schoolwork, Chanel's father and stepmo ...

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The aldehyde functional group is a carbon atom bonded to a carbonyl group and a hydrogen atom. Aldehyde - α carbon & α hydrogen. An α (alpha) carbon is a carbon adjacent to a carbonyl group. An α hydrogen is a hydrogen atom bonded to the α carbon. The pKa of an α hydrogen is 20. Aldehyde - Carbonyl group. The other molecules containing carbonyl group are: Ke ...

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Copper(II) chloride is prepared by the action of hydrochloric acid on copper(II) oxide, copper(II) hydroxide or copper(II) carbonate, for example: CuO(s) + 2 HCl(aq) → CuCl2(aq) + H2O(l) Anhydrous CuCl2 may be prepared directly by union of the elements, copper and chlorine. CuCl2 may be purified by crystallisation from hot dilute hydrochloric acid, by cooling in a CaCl2-ice bath[7]. CuCl2 is also produced when a penny i ...

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Alkene - IUPAC Names. To form the root of the IUPAC names for alkenes, simply change the -an- infix of the parent to -en-. For example, CH3-CH3 is the alkane ethANe. The name of CH2=CH2 is therefore ethENe. In higher alkenes, where isomers exist that differ in location of the double bond, the following numbering system is used: Number the longest carbon chain that contains the double bond in the direction that gives the ca ...

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A major industrial application for copper(II) chloride is as a co-catalyst (along with palladium(II) chloride) in the Wacker process. In this process, ethene (ethylene) is converted to ethanal (acetaldehyde) using water and air. In the process PdCl2 is reduced to Pd, and the CuCl2 serves to re-oxidise this back to PdCl2. Air can then oxidise the resultant CuCl back to CuCl2, completing the cycle. (1) C2H4(g) + PdCl2(aq) + H2O (l) → CH3CHO(aq) + Pd(s) (2) Pd(s) + 2 CuCl2

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