Appel reaction

en

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Appel reaction

Quality:

Appel reaction - organic reaction that converts an alcohol into an alkyl chloride. Article “Appel reaction” in English Wikipedia has 36 points for quality (as of July 1, 2026). The article contains 12 references and 4 sections.

This article has the best quality in Tamil Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Appel reaction”, its content was written by 50 registered users of English Wikipedia and edited by 150 registered Wikipedia users in all languages.

The article is cited 21 times in English Wikipedia and cited 114 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #29228 in April 2011
  • Global: #111291 in March 2012

The highest popularity rank from 2008:

  • Local (English): #338851 in November 2022
  • Global: #310623 in March 2011

There are 17 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Tamil (ta)
ஆப்பெல் வினை
36.8363
2English (en)
Appel reaction
36.0391
3Czech (cs)
Appelova reakce
33.9116
4Italian (it)
Reazione di Appel
31.3026
5German (de)
Appel-Reaktion
31.0921
6French (fr)
Réaction d'Appel
26.1936
7Turkish (tr)
Appel reaksiyonu
25.5176
8Romanian (ro)
Reacție Appel
23.8775
9Persian (fa)
واکنش اپل
23.0788
10Polish (pl)
Reakcja Appela
22.6632
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Appel reaction" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Appel reaction
406 734
2German (de)
Appel-Reaktion
119 667
3Japanese (ja)
アッペル反応
110 633
4Chinese (zh)
阿佩尔反应
27 328
5Russian (ru)
Реакция Аппеля
22 409
6Spanish (es)
Reacción de Appel
20 760
7French (fr)
Réaction d'Appel
15 809
8Polish (pl)
Reakcja Appela
11 720
9Dutch (nl)
Appelreactie
7 127
10Italian (it)
Reazione di Appel
2 671
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2026

The most popular language versions of the article "Appel reaction" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Appel reaction
1 026
2German (de)
Appel-Reaktion
507
3Chinese (zh)
阿佩尔反应
142
4Japanese (ja)
アッペル反応
133
5Russian (ru)
Реакция Аппеля
105
6French (fr)
Réaction d'Appel
102
7Spanish (es)
Reacción de Appel
51
8Italian (it)
Reazione di Appel
46
9Polish (pl)
Reakcja Appela
28
10Dutch (nl)
Appelreactie
21
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Appel reaction" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Appel reaction
50
2German (de)
Appel-Reaktion
29
3Japanese (ja)
アッペル反応
10
4Dutch (nl)
Appelreactie
10
5French (fr)
Réaction d'Appel
8
6Italian (it)
Reazione di Appel
8
7Polish (pl)
Reakcja Appela
7
8Spanish (es)
Reacción de Appel
5
9Azerbaijani (az)
Appel reaksiyası
4
10Russian (ru)
Реакция Аппеля
4
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2026

Language versions of the article "Appel reaction" with the highest AI in June 2026
#LanguageAI awardRelative AI
1Italian (it)
Reazione di Appel
1
2Azerbaijani (az)
Appel reaksiyası
0
3Czech (cs)
Appelova reakce
0
4German (de)
Appel-Reaktion
0
5English (en)
Appel reaction
0
6Spanish (es)
Reacción de Appel
0
7Persian (fa)
واکنش اپل
0
8French (fr)
Réaction d'Appel
0
9Armenian (hy)
Ապպելի ռեակցիա
0
10Japanese (ja)
アッペル反応
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Appel reaction" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Appel reaction
21
2German (de)
Appel-Reaktion
13
3Dutch (nl)
Appelreactie
12
4Japanese (ja)
アッペル反応
10
5Spanish (es)
Reacción de Appel
9
6French (fr)
Réaction d'Appel
9
7Czech (cs)
Appelova reakce
8
8Chinese (zh)
阿佩尔反应
8
9Italian (it)
Reazione di Appel
6
10Persian (fa)
واکنش اپل
5
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2026:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2026:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
azAzerbaijani
Appel reaksiyası
csCzech
Appelova reakce
deGerman
Appel-Reaktion
enEnglish
Appel reaction
esSpanish
Reacción de Appel
faPersian
واکنش اپل
frFrench
Réaction d'Appel
hyArmenian
Ապպելի ռեակցիա
itItalian
Reazione di Appel
jaJapanese
アッペル反応
nlDutch
Appelreactie
plPolish
Reakcja Appela
roRomanian
Reacție Appel
ruRussian
Реакция Аппеля
taTamil
ஆப்பெல் வினை
trTurkish
Appel reaksiyonu
zhChinese
阿佩尔反应

Popularity rank trends

Best Rank English:
#338851
11.2022
Global:
#310623
03.2011

AI rank trends

Best Rank English:
#29228
04.2011
Global:
#111291
03.2012

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on Appel reaction from Wikipedia articles about Mitsunobu reaction, Corey–Fuchs reaction, Tetrabromomethane, Triphenylphosphine and Carbon tetrachloride. Whereas reading the article about Appel reaction people most often go to Wikipedia articles on Corey–Fuchs reaction, Atherton–Todd reaction, Mitsunobu reaction, Rolf Appel and Montreal Protocol.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information