Property talk:P4147

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conjugate acid
species formed by accepting a proton (H⁺)

Description	species formed by accepting a proton (H⁺)
Represents	conjugate acid (Q2014867)
Data type	Item
Domain	According to this template: chemical compound (Q11173) According to statements in the property: chemical compound (Q11173), ion (Q36496), group of isomeric entities (Q15711994), group of chemical entities (Q55640599), simple substance (Q2512777) or structural class of chemical entities (Q47154513) When possible, data should only be stored as statements
Allowed values	chemical compound (Q11173) (note: this should be moved to the property statements)
Example	amide ion (Q4026895) → ammonia (Q4087) ammonia (Q4087) → ammonium cation (Q190901) phenolate (Q27122100) → phenol (Q130336)
Tracking: usage	Category:Pages using Wikidata property P4147 (Q120092575)
See also	conjugate base (P4149)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P4147 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 430 Main statement 427 99.3% of uses Qualifier 3 0.7% of uses
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Type “chemical compound (Q11173), ion (Q36496), group of isomeric entities (Q15711994), group of chemical entities (Q55640599), simple substance (Q2512777), structural class of chemical entities (Q47154513)”: item must contain property “instance of (P31), subclass of (P279)” with classes “chemical compound (Q11173), ion (Q36496), group of isomeric entities (Q15711994), group of chemical entities (Q55640599), simple substance (Q2512777), structural class of chemical entities (Q47154513)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4147#Type Q11173, Q36496, Q15711994, Q55640599, Q2512777, Q47154513, hourly updated report, SPARQL

Value type “chemical compound (Q11173), ion (Q36496), group of isomeric entities (Q15711994), group of chemical entities (Q55640599), structural class of chemical entities (Q47154513), simple substance (Q2512777)”: This property should use items as value that contain property “instance of (P31), subclass of (P279)”. On these, the value for instance of (P31), subclass of (P279) should be an item that uses subclass of (P279) with value chemical compound (Q11173), ion (Q36496), group of isomeric entities (Q15711994), group of chemical entities (Q55640599), structural class of chemical entities (Q47154513), simple substance (Q2512777) (or a subclass thereof). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4147#Value type Q11173, Q36496, Q15711994, Q55640599, Q47154513, Q2512777, hourly updated report, SPARQL

Inverse property of “conjugate base (P4149)”:
if [item A] has this property (conjugate acid (P4147)) linked to [item B],
then [item B] should also have property “conjugate base (P4149)” linked to [item A]. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4147#inverse, hourly updated report, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P4147#Scope, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4147#Entity types