User Teoc

2

14

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1

answer

2k

views

Why is the bond dissociation energy of C-H bond higher than that of a N-H bond?

Sep 27 '18 at 1:16 airhuff 16.2k

7

votes

1

answer

378

views

Why don't Gringard Reagents react with carbonyls at the alpha position? [duplicate]

organic-chemistry acid-base carbonyl-compounds alcohols

Oct 5 '17 at 0:27 Raul Luciano 1,218

5

votes

1

answer

2k

views

Why do carboxylic acid derivatives show a more upfield shift than carbonyls in 13C-NMR?

organic-chemistry spectroscopy nmr-spectroscopy

May 9 '18 at 19:13 orthocresol♦ 57k

5

votes

2

answers

640

views

Reduction of 1,4-benzoquinone in the synthesis of 1,5-diazocane

organic-chemistry synthesis amines

Apr 3 '18 at 23:10 ron 78.4k

1

5

votes

0

answers

432

views

Why does the keto tautomer of guanine have lower energy?

organic-chemistry aromatic-compounds carbonyl-compounds isomers dna-rna

Aug 21 '17 at 10:28 M.A.R. 9,690

4

votes

1

answer

1k

views

What is the pKa of iodous acid?

acid-base ph

Jan 9 '19 at 11:59 Community♦ 1

4

votes

1

answer

1k

views

Why is methyl α-D-glucopyranoside preferentially formed from glucopyranose in acidic methanol?

organic-chemistry carbohydrates stereoelectronics

Aug 20 '17 at 7:25 orthocresol♦ 57k

3

votes

2

answers

111

views

Effect of doubling kinetic energy on phase transitions

physical-chemistry energy phase

Jan 7 '18 at 8:17 jheindel 12k

3

votes

1

answer

176

views

Why is the periodate anion not found?

ions

Dec 1 '17 at 18:51 Nilay Ghosh 17.9k

3

votes

0

answers

629

views

Why does the proton transfer from the oxygen to the nitrogen atom in imine formation not occur through an intramolecular process?

organic-chemistry acid-base carbonyl-compounds

Aug 2 '17 at 5:56 Teoc 1,656

1

3

votes

1

answer

2k

views

Chemical kinetics with the reaction of tert-butyl bromide with azide ion

reaction-mechanism kinetics

Apr 25 '17 at 11:35 Pritt says Reinstate Monica 8,007

1

2

votes

0

answers

74

views

A thermodynamics problem with an interesting equilibrium condition

physical-chemistry thermodynamics energy

Dec 29 at 22:59 Teoc 1,656

2

votes

1

answer

90

views

Impact of Pressure on equilibrium of Tin allotropes

physical-chemistry thermodynamics phase

Feb 24 '19 at 23:28 Community♦ 1

2

votes

1

answer

308

views

Organic nomenclature of substituted diamines

organic-chemistry nomenclature amines

Aug 16 '17 at 16:23 Community♦ 1

2

votes

0

answers

71

views

Nitration of (E)-4-Phenyl-3-buten-2-one

organic-chemistry aromatic-compounds resonance nitro-compounds

Aug 1 '17 at 6:24 Teoc 1,656

2

votes

0

answers

71

views

Why is there a need to rotate the molecule in a sharpless asymmetric epoxidation?

organic-chemistry

Jul 29 '17 at 22:45 Teoc 1,656

2

votes

0

answers

1k

views

Ring expansion in the reaction of (hydroxymethyl)cyclobutane and HBr

organic-chemistry

Jul 24 '17 at 5:52 Teoc 1,656

2

votes

4

answers

3k

views

Le Chatelier's principle: what are the effects of decreasing volume?

equilibrium kinetics

May 1 '17 at 15:31 Pritt says Reinstate Monica 8,007

2

votes

0

answers

2k

views

Finding the rate constant of a first order reaction

physical-chemistry kinetics

Apr 28 '17 at 22:57 Tyberius 10.1k

1

vote

2

answers

648

views

Effects of pressure on equilibrium [closed]

physical-chemistry thermodynamics equilibrium

Dec 3 '19 at 5:43 Community♦ 1

1

vote

0

answers

65

views

Why does a Beckmann Rearrangement not occur in the in nitrosation of cyclohexanone?

organic-chemistry

May 14 '18 at 18:16 Teoc 1,656

0

votes

0

answers

1k

views

Oxidation of Magnesium with Nitric Acid

inorganic-chemistry redox

Oct 16 '17 at 1:28 Teoc 1,656

0

votes

0

answers

479

views

Oxidizing and Reducing agent in redox reaction

redox oxidation-state

Apr 28 '17 at 3:47 Teoc 1,656

0

votes

2

answers

1k

views

How can I derive whether the methyl cation or anion is planar?

homework molecular-structure vsepr-theory

Dec 20 '16 at 0:04 Jan 59.6k

0

votes

1

answer

6k

views

How many liters of hydrogen, H2, are needed to react with 10 liters of nitrogen gas in the reaction forming ammonia?

stoichiometry

Dec 12 '16 at 7:29 Teoc 1,656

-1

votes

4

answers

2k

views

Oxidation product of alcohol

organic-chemistry redox alcohols

Dec 20 '16 at 18:14 Community♦ 1

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26 Questions

Why is the bond dissociation energy of C-H bond higher than that of a N-H bond?

Why don't Gringard Reagents react with carbonyls at the alpha position? [duplicate]

Why do carboxylic acid derivatives show a more upfield shift than carbonyls in 13C-NMR?

Reduction of 1,4-benzoquinone in the synthesis of 1,5-diazocane

Why does the keto tautomer of guanine have lower energy?

What is the pKa of iodous acid?

Why is methyl α-D-glucopyranoside preferentially formed from glucopyranose in acidic methanol?

Effect of doubling kinetic energy on phase transitions

Why is the periodate anion not found?

Why does the proton transfer from the oxygen to the nitrogen atom in imine formation not occur through an intramolecular process?

Chemical kinetics with the reaction of tert-butyl bromide with azide ion

A thermodynamics problem with an interesting equilibrium condition

Impact of Pressure on equilibrium of Tin allotropes

Organic nomenclature of substituted diamines

Nitration of (E)-4-Phenyl-3-buten-2-one

Why is there a need to rotate the molecule in a sharpless asymmetric epoxidation?

Ring expansion in the reaction of (hydroxymethyl)cyclobutane and HBr

Le Chatelier's principle: what are the effects of decreasing volume?

Finding the rate constant of a first order reaction

Effects of pressure on equilibrium [closed]

Why does a Beckmann Rearrangement not occur in the in nitrosation of cyclohexanone?

Oxidation of Magnesium with Nitric Acid

Oxidizing and Reducing agent in redox reaction

How can I derive whether the methyl cation or anion is planar?

How many liters of hydrogen, H2, are needed to react with 10 liters of nitrogen gas in the reaction forming ammonia?

Oxidation product of alcohol