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Home Mnemonics

Chemistry Mnemonics

Dr.NM Tamilmani by Dr.NM Tamilmani
August 30, 2021
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Chemistry Mnemonics


B

Benzene ring: order of substituents: “Benzene likes to ROMP”

  • From R group moving around the ring:
  • R group
  • Ortho
  • Meta
  • Para
    • Author: Sabra and Josh Kunken Undergrad, Univ. of Calif, Berkeley (http://medicalmnemonics.com/)

C

Cation vs. anion: positive vs. negative

  • The t in cation looks like a plus sign: “ca+ion”.
  • Cation is positive, anion is negative.
    • Author: Ken Evans Saskatchewan Health, Acute and Emergency Services (http://medicalmnemonics.com/)

Cis/trans (geometric) isomer nomenclature: “Zame Zide. Epposite.”

  • Z is the 2 functional groups on the same side of double bond.
  • E is for opposite sides.
    • Reference: http://medicalmnemonics.com/

Cis/trans (geometric) isomers: arrangement of functional groups

  • Cis starts with a C and the functional groups form a C.
  • Trans, therefore is the other one by default.
      • Author: Spencer Oates (http://medicalmnemonics.com/)

G

Gibb’s free energy formula: “Zame Zide. Epposite.”

  • Z is the 2 functional groups on the same side of double bond.
  • E is for opposite sides.
    • Reference: http://medicalmnemonics.com/

Gibb’s free energy formula: “Good Honey Tastes Sweet”

  • (delta)G = H – T(delta)S
    • Author: Ken Evans Saskatchewan Health, Acute and Emergency Services (http://medicalmnemonics.com/)

O

Oxidation vs. reduction: electrochemical cell and electron gain/loss: AN OIL RIG CAT

  • At the ANode, Oxidation Involves Loss of electrons.
  • Reduction Involves Gaining electrons at the CAThode
    • Author: Susan Monash (Peninsula) Undergrad (http://medicalmnemonics.com/)
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