Organic Chemistry

Froggy Jumps

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A quick spin through carbon compounds and stoichiometry

rgc .

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Organic Chemistry


Froggy Jumps Organic ChemistryVersion en ligne A quick spin through carbon compounds and stoichiometry par rgc . 1 What bond type primarily links carbon in organic molecules? a Hydrogen bonds b Ionic bonds c Covalent bonds 2 Which formula best represents ethanol's composition C2H6O? a C2H8O b C2H6O c C3H8O 3 Alkanes, alkenes, and alkynes differ by what? a Type of carbon-carbon bonds b Molecular weight c Functional groups only 4 Isomers have the same formula but different what? a Structural arrangement b Melting points c Atomic numbers 5 Which type of isomerism involves different connectivity? a Structural isomerism b Geometric isomerism c Stereoisomerism 6 Which carbon-based class generally has lower melting points? a Inorganic compounds b Organic compounds c Metals 7 Which bond-formation detail is incorrect? a Carbon forms four covalent bonds b Hydrogen bonds with carbon are covalent c Carbon gains four electrons 8 Which pair are examples of isomers with same formula? a Water and carbon dioxide b Ethanol and dimethyl ether c Propane and butane 9 What does stoichiometry study in chemistry? a Quantitative relationships in reactions b Color changes in solutions c Gas pressure changes only 10 Which statement about alkenes/alkynes is true? a They have only single bonds b They contain double or triple bonds c They are always linear chains