User Martin - マーチン - Chemistry Stack Exchange

49 votes

Ortho-effect in substituted aromatic acids and bases

answered Jul 23, 2014 at 8:02

49 votes

Why do we use helium in balloons?

answered Sep 8, 2014 at 8:52

48 votes

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Why does cyclopropane react with bromine?

answered May 12, 2014 at 7:20

48 votes

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Are the lone pairs in water equivalent?

answered May 9, 2016 at 12:33

42 votes

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DFT Functional Selection Criteria

answered Mar 16, 2015 at 14:17

41 votes

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May I treat units (e.g. joules, grams, etc.) in equations as variables?

answered May 14, 2015 at 12:53

35 votes

Why is BCl3 a monomer whereas AlCl3 exists as a dimer?

answered Dec 16, 2016 at 12:57

32 votes

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What is the perfect definition for chirality?

answered Sep 16, 2016 at 4:30

32 votes

Bonding in the phosphate ion

answered Jun 17, 2014 at 11:23

31 votes

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What should be the oxidation state of oxygen in HOF (hypofluorous acid)?

answered Aug 25, 2014 at 9:16

31 votes

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How to find the second order perturbation to wave function?

answered Apr 8, 2015 at 7:05

31 votes

Is the t-butyl carbocation more stable than the benzyl carbocation?

answered Dec 1, 2017 at 20:20

30 votes

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What is Y-aromaticity? Is the trinitromethanide anion aromatic?

answered Aug 5, 2015 at 10:43

27 votes

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What would follow in the series sigma, pi and delta bonds?

answered May 21, 2015 at 7:11

27 votes

Resources for learning Chemistry

answered Sep 14, 2015 at 14:34

26 votes

How can the dipole moment of carbon monoxide be rationalised by molecular orbital theory?

answered May 7, 2015 at 12:28

26 votes

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How can I clean my lab coat?

answered May 2, 2014 at 16:06

26 votes

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Does trans-decalin really have a plane of symmetry?

answered Oct 13, 2016 at 8:27

25 votes

Is the S–O bond strength in sulfur trioxide or sulfite anion larger?

answered Jul 10, 2014 at 11:38

23 votes

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Why are DCM and chloroform so resistant towards nucleophilic substitution?

answered Sep 1, 2014 at 10:39

23 votes

Does fluorine in FNO3 have +1 oxidation number?

answered Nov 9, 2016 at 8:01

23 votes

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What are the important implications to the field of chemistry, if any, of the hexavalent carbon species confirmed in 2017?

answered Feb 9, 2017 at 13:44

21 votes

Atropisomerism of naphthyl alcohol

answered Feb 2, 2018 at 11:11

21 votes

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Hybridisation of ClO2

answered Jul 12, 2018 at 18:25

20 votes

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PBE vs. PBEPBE functional

answered Jul 20, 2017 at 7:37

20 votes

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Utility of Bent's Rule - What can Bent's rule explain that other qualitative considerations cannot?

answered Aug 29, 2014 at 8:17

20 votes

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Why are solids and liquids not included in the equilibrium constant? What about in a reaction rate calculation?

answered Jul 2, 2014 at 3:49

20 votes

What's so special about chelation?

answered May 7, 2015 at 14:29

20 votes

Resources for learning Chemistry

answered Sep 25, 2015 at 8:27

20 votes

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Is there a way to use free software to convert SMILES strings to structures?

answered Jan 5, 2016 at 9:56

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472 Answers

Ortho-effect in substituted aromatic acids and bases

Why do we use helium in balloons?

Why does cyclopropane react with bromine?

Are the lone pairs in water equivalent?

DFT Functional Selection Criteria

May I treat units (e.g. joules, grams, etc.) in equations as variables?

Why is BCl3 a monomer whereas AlCl3 exists as a dimer?

What is the perfect definition for chirality?

Bonding in the phosphate ion

What should be the oxidation state of oxygen in HOF (hypofluorous acid)?

How to find the second order perturbation to wave function?

Is the t-butyl carbocation more stable than the benzyl carbocation?

What is Y-aromaticity? Is the trinitromethanide anion aromatic?

What would follow in the series sigma, pi and delta bonds?

Resources for learning Chemistry

How can the dipole moment of carbon monoxide be rationalised by molecular orbital theory?

How can I clean my lab coat?

Does trans-decalin really have a plane of symmetry?

Is the S–O bond strength in sulfur trioxide or sulfite anion larger?

Why are DCM and chloroform so resistant towards nucleophilic substitution?

Does fluorine in FNO3 have +1 oxidation number?

What are the important implications to the field of chemistry, if any, of the hexavalent carbon species confirmed in 2017?

Atropisomerism of naphthyl alcohol

Hybridisation of ClO2

PBE vs. PBEPBE functional

Utility of Bent's Rule - What can Bent's rule explain that other qualitative considerations cannot?

Why are solids and liquids not included in the equilibrium constant? What about in a reaction rate calculation?

What's so special about chelation?

Resources for learning Chemistry

Is there a way to use free software to convert SMILES strings to structures?