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Multiple Select QuestionSelect all that applyChoose all of the characteristics below that correctly describe an alkene.Multiple select question.The alkene bond angles are 120ο.The geometry of all carbon atoms is tetrahedral.They have the general molecular formula CnH2n.They have the general molecular formula CnH2n-2.

Question

Multiple Select QuestionSelect all that applyChoose all of the characteristics below that correctly describe an alkene.Multiple select question.The alkene bond angles are 120ο.The geometry of all carbon atoms is tetrahedral.They have the general molecular formula CnH2n.They have the general molecular formula CnH2n-2.

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Solution

The correct characteristics that describe an alkene are:

  • The geometry of all carbon atoms is tetrahedral.
  • They have the general molecular formula CnH2n.

The alkene bond angles are not 120 degrees, they are approximately 109.5 degrees because of the tetrahedral geometry. The general molecular formula CnH2n-2 is for alkynes, not alkenes.

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Select all that applySelect all of the molecular formulas that could represent an alkene.Multiple select question.C10H20C6H14C5H10C9H20

Alkene hydrocarbon molecules have to contain what types of bonds?Question 5Select one:a.double bondsb.triple bondsc.ionic bondsd.single bonds

What are the molecular shape and bond angle of carbonyl carbon atom?Group of answer choicestrigonal planar; 180linear; 180trigonal planar; 120tetrahedral; 109.5

Multiple Select QuestionSelect all that applyWhy are carboxylic acids, esters, and amides polar molecules? Select all that apply.Multiple select question.They all have carbonyl groups.They contain any number of the following bonds: C-O, C-N, O-H, N-H.Most have C-C bonds.They have planar functional groups.

The table gives some information about the alkenes. Complete the table in the spaces provided. Name of alkene Molecular formula Boiling point / °C ethene -102 Propene. CH Butene CH.Hs.. -7 pentene C5.10. 30

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