User Dissenter

5 votes

1 answer

1k views

+500

Which is more amphoteric: zinc or copper hydroxide?

inorganic-chemistry analytical-chemistry

asked May 26, 2016 at 16:24

30 votes

1 answer

559 views

+500

Imaginary Bonding Interactions

asked Jul 25, 2016 at 18:45

10 votes

4 answers

3k views

+500

How does polydimethylsiloxane stick to glass?

inorganic-chemistry materials surface-chemistry

asked Jan 2, 2016 at 6:50

3 votes

3 answers

8k views

+500

How to determine electrolyte concentration in solutions?

electrochemistry solutions

asked Aug 15, 2016 at 8:36

7 votes

1 answer

1k views

+500

Reaction of Iron(III) with hydroxide ion

inorganic-chemistry acid-base colloids

asked Jun 13, 2016 at 17:56

2 votes

1 answer

660 views

+100

Role of acetate ion in formation of hydrogen sulfide ion from thioacetamide

inorganic-chemistry

asked May 23, 2016 at 20:51

9 votes

1 answer

284 views

+100

Stereochemistry of cyclic hemiketal formation

organic-chemistry stereochemistry

asked May 21, 2016 at 19:59

7 votes

4 answers

595 views

+500

How to separate and analyse a sample of cations of alkaline and earth alkaline cations and ammonium?

inorganic-chemistry analytical-chemistry

asked May 24, 2016 at 2:00

14 votes

2 answers

2k views

+500

Is a highly oxidized element more electropositive than a lesser oxidized counterpart?

inorganic-chemistry redox

asked Sep 11, 2015 at 21:46

18 votes

2 answers

441 views

+500

Lewis Acidity and Bacteria

acid-base biochemistry

asked Jun 2, 2014 at 18:00

14 votes

2 answers

2k views

+500

Thermodynamic and kinetic products - carbocation stability

organic-chemistry carbocation reaction-control

asked Jan 22, 2016 at 3:54

5 votes

2 answers

2k views

+500

Potassium vs sodium bicarbonate in fire fighting

inorganic-chemistry

asked Dec 13, 2015 at 7:39

17 votes

3 answers

7k views

+500

Is the triiodide ion polar?

inorganic-chemistry polarity

asked Dec 9, 2015 at 22:32

3 votes

2 answers

524 views

+500

Oxidation state of metal ion in unit cell

inorganic-chemistry solid-state-chemistry

asked Dec 12, 2015 at 18:17

33 votes

2 answers

36k views

+150

Why can't Pd/C and H2 reduce both the alkene and carbonyl portions of α,β-unsaturated carbonyls?

organic-chemistry redox hydrogen regioselectivity

asked Nov 3, 2015 at 14:48

31 votes

2 answers

29k views

+200

What is the pKa of the hydronium, or oxonium, ion (H3O+)?

physical-chemistry acid-base ph theoretical-chemistry

asked Apr 9, 2014 at 14:36

15 votes

4 answers

1k views

+400

How accurate is this polar mechanism for the Diels-Alder reaction?

organic-chemistry molecular-orbital-theory resonance

asked Feb 16, 2015 at 4:40

15 votes

4 answers

1k views

+200

How accurate is this polar mechanism for the Diels-Alder reaction?

organic-chemistry molecular-orbital-theory resonance

asked Feb 16, 2015 at 4:40

13 votes

3 answers

3k views

+50

pKa differences and reactivity

organic-chemistry acid-base

asked Feb 14, 2015 at 23:17

2 votes

1 answer

198 views

+200

How to rationalise differences in halogen bonding?

bond halides electronegativity

asked Feb 1, 2015 at 22:24

13 votes

3 answers

12k views

+200

Competing resonance and inductive effects in a substituted benzene

aromatic-compounds resonance

asked Oct 23, 2013 at 23:32

4 votes

1 answer

2k views

+200

Stability of Sulfides - backbonding?

inorganic-chemistry acid-base

asked Jan 10, 2015 at 18:21

7 votes

2 answers

11k views

+200

How do epoxys cross-link?

organic-chemistry polymers

asked Jan 2, 2015 at 15:46

20 votes

2 answers

39k views

+100

Why does superglue ignite cotton?

everyday-chemistry reactivity

asked Jan 4, 2015 at 20:26

14 votes

2 answers

2k views

+350

Does hydrogen bonding strength correspond to Brønsted basicity in a given medium?

acid-base hydrogen-bond

asked Dec 23, 2014 at 5:52

19 votes

5 answers

10k views

+100

Can fluorine act as the central atom in interhalogen compounds?

inorganic-chemistry molecules halides

asked Jan 13, 2014 at 9:47

18 votes

2 answers

441 views

+50

Lewis Acidity and Bacteria

acid-base biochemistry

asked Jun 2, 2014 at 18:00

9 votes

2 answers

682 views

+50

Why do acids favor the oxidizer? And bases the reducer?

electrochemistry redox

asked Jul 4, 2014 at 5:48

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Which is more amphoteric: zinc or copper hydroxide?

Imaginary Bonding Interactions

How does polydimethylsiloxane stick to glass?

How to determine electrolyte concentration in solutions?

Reaction of Iron(III) with hydroxide ion

Role of acetate ion in formation of hydrogen sulfide ion from thioacetamide

Stereochemistry of cyclic hemiketal formation

How to separate and analyse a sample of cations of alkaline and earth alkaline cations and ammonium?

Is a highly oxidized element more electropositive than a lesser oxidized counterpart?

Lewis Acidity and Bacteria

Thermodynamic and kinetic products - carbocation stability

Potassium vs sodium bicarbonate in fire fighting

Is the triiodide ion polar?

Oxidation state of metal ion in unit cell

Why can't Pd/C and H2 reduce both the alkene and carbonyl portions of α,β-unsaturated carbonyls?

What is the pKa of the hydronium, or oxonium, ion (H3O+)?

How accurate is this polar mechanism for the Diels-Alder reaction?

How accurate is this polar mechanism for the Diels-Alder reaction?

pKa differences and reactivity

How to rationalise differences in halogen bonding?

Competing resonance and inductive effects in a substituted benzene

Stability of Sulfides - backbonding?

How do epoxys cross-link?

Why does superglue ignite cotton?

Does hydrogen bonding strength correspond to Brønsted basicity in a given medium?

Can fluorine act as the central atom in interhalogen compounds?

Lewis Acidity and Bacteria

Why do acids favor the oxidizer? And bases the reducer?