Question types: Electron Pushing / Curved Arrow

qtype_easyomech
Maintained by Picture of Carl LeBlond Carl LeBlond
Curved Arrow / Electron Pushing question can be used to test and strengthen students knowledge of reaction mechanism, resonance and curved arrow notation. This plugin requires Marvin Applets from Chemaxon.
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Overview

Curved Arrow / Electron Pushing question can be used to test and strengthen students knowledge of reaction mechanism, resonance and curved arrow notation.  The instructor builds a reaction scheme/mechanism with all electron pushing arrows and the student must provide the correct arrows on the reaction during assessment.  Note:  This plugin requires MArvin Applets from Chemaxon
 
You can ask questions such as;
  • Please add curved arrows showing the flow of electrons for the following reaction?
  • Please add curved arrows showing how the following resonance structure could be obtained?

Features

  • Interactive - students draw curved arrows representing flow of electrons.
  • Students can view step by step arrow placement.
  • Multistep reactions OK!
  • Radical or Polar reactions possible.
  • Teacher can hide or show products for varying difficulty.
  • Teacher can require strict arrow addition order.

License

This plugin adopts the same license that Moodle does.  The Marvin Applets are free for academic purposes.

Authors

This plugin was developed at the Indiana University of Pennsylvania (IUP).  Neither IUP or Carl LeBlond are affiliated with Chemaxon.

Requirements

This plugin requires Marvin Applets from Chemaxon which can be downloaded here.  Download the full package and install it at your web servers root directory.

Examples

Example questions are provided as a Moodle xml file in the examples folder.

A video available here, outlines using this plugin.

 

Sets

This plugin is part of set EasyOChem.

Screenshots

Screenshot #0
Screenshot #1

Contributors

Picture of Carl LeBlond
Carl LeBlond (Lead maintainer)
Please login to view contributors details and/or to contact them

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