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  2. Fluorobenzaldehyde - Wikipedia

    en.wikipedia.org/wiki/Fluorobenzaldehyde

    Fluorobenzaldehyde isomers Name o-Fluorobenzaldehyde m-Fluorobenzaldehyde p-Fluorobenzaldehyde Structure: Systematic name: 2-Fluorobenzaldehyde 3-Fluorobenzaldehyde 4-Fluorobenzaldehyde Molecular formula: C 7 H 5 FO C 7 H 5 FO C 7 H 5 FO Molar mass: 124.11 g/mol 124.11 g/mol 124.11 g/mol CAS number: 446-52-6 456-48-4 459-57-4 EC number 207-171 ...

  3. Metamerism (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Metamerism_(Chemistry)

    The isomers which have been cited as examples of metamers in chemical literature consist primarily of ethers; [3] but this could by the same reasoning be extended to thioethers, secondary as well as tertiary amines, esters, secondary as well as tertiary amides, (mixed) acid anhydrides etc. Metamers in organic chemistry

  4. Electrophilic aromatic directing groups - Wikipedia

    en.wikipedia.org/wiki/Electrophilic_aromatic...

    The inductive and resonance properties compete with each other but the resonance effect dominates for purposes of directing the sites of reactivity. For nitration, for example, fluorine directs strongly to the para position because the ortho position is inductively deactivated (86% para, 13% ortho, 0.6% meta).

  5. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    If there are two carbons, the isomer without suffix is the most symmetrical; after this, lower-case suffixed letters "a", "b", ..., are added, moving forwards through the alphabet as symmetry decreases. If there are more than two carbons, a more complex system of suffixed letters and possibly numbers is used to distinguish isomers, when necessary.

  6. 'The end of seniority': Younger Democrats are challenging ...

    www.aol.com/end-seniority-younger-democrats...

    The official, who isn’t authorized to speak publicly about politics, said it follows other examples of prominent liberals’ refusing to give up power, including Sen. Dianne Feinstein, D-Calif ...

  7. Fluorobenzene - Wikipedia

    en.wikipedia.org/wiki/Fluorobenzene

    PhF behaves rather differently from other halobenzene derivatives owing to the pi-donor properties of fluoride. For example, the para position is more activated than benzene toward electrophiles. For this reason, it can be converted to 1-bromo-4-fluorobenzene with relatively high efficiency. [3]

  8. Bill Clinton Reveals the Name His Grandkids Call Him — and ...

    www.aol.com/bill-clinton-reveals-name-grandkids...

    Bill Clinton is one proud grandpa!. On Monday, Nov. 25, the former President of the United States, 78, appeared on an episode of Live with Kelly and Mark and spoke about how he and the former ...

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