Flashcards : Organic Hydrocarbon Fundamentals — 20 cartes

Toutes les cartes

1Question

Vitalism — idea?

Réponse

Organic compounds only from living organisms.

2Question

Wöhler urea synthesis — significance?

Réponse

Disproved vitalism by making urea from inorganic materials.

3Question

Catenation — ability?

Réponse

Atoms of the same element bond to form chains and rings.

4Question

Organic chemistry — definition?

Réponse

Study of carbon compounds excluding certain oxides and salts.

5Question

Lewis structure — shows?

Réponse

Covalent bonds with shared electron pairs and lone pairs.

6Question

Structural formula — depicts?

Réponse

Covalent bonds between atoms with dashes for bonds.

7Question

Condensed structural formula — simplifies?

Réponse

Structural formula by omitting some bond dashes.

8Question

Bond-line representation — uses?

Réponse

Zig-zag lines for C–C bonds; atoms implied.

9Question

Polygon formula — represents?

Réponse

Cyclic compounds with corners as carbons and sides as bonds.

10Question

Hydrocarbons — contain?

Réponse

Only carbon and hydrogen atoms.

11Question

Aliphatic hydrocarbons — include?

Réponse

Alkanes, alkenes, alkynes, non-aromatic.

12Question

Aromatic hydrocarbons — characteristic?

Réponse

Contain benzene rings with delocalized electrons.

13Question

Saturated compounds — bonds?

Réponse

Only single bonds, maximum hydrogens.

14Question

Unsaturated compounds — bonds?

Réponse

Double or triple bonds, fewer hydrogens.

15Question

Homologous series — features?

Réponse

Same functional group, differing by –CH2– units.

16Question

Paraffins — meaning?

Réponse

Alkanes, chemically inert, little reactivity.

17Question

Alkane formula —?

Réponse

CnH2n+2.

18Question

n-, iso-, neo- — prefixes?

Réponse

Indicate chain structure and branching pattern.

19Question

Benzene — formula?

Réponse

C6H6 with delocalized π-electrons.

20Question

Natural gas — main component?

Réponse

Methane (CH4).

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Teste tes connaissances avec un QCM de 20 questions sur Organic Hydrocarbon Fundamentals.

1. What nineteenth-century idea claimed that only living organisms could produce organic compounds through a special vital force?

2. Which event showed that an organic compound could be made from an inorganic starting material in the laboratory?

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