mercurous chloride: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “mercurous chloride” mean?
A chemical compound of mercury and chlorine (Hg₂Cl₂), appearing as a white powder or crystalline solid.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical compound of mercury and chlorine (Hg₂Cl₂), appearing as a white powder or crystalline solid.
Also known as calomel, historically used in medicine as a purgative, antiseptic, and in reference electrodes, and in pyrotechnics.
Dialectal Variation
British vs American Usage
Differences
No significant difference in term usage. Spelling follows regional norms for accompanying text (e.g., 'colour' vs. 'color' in descriptions).
Connotations
None beyond the scientific/technical denotation.
Frequency
Equally low frequency in both varieties, confined to chemistry, history of medicine, and industrial contexts.
Grammar
How to Use “mercurous chloride” in a Sentence
[compound] is used in [application][compound] reacts with [substance]the synthesis of [compound]Vocabulary
Collocations
Examples
Examples of “mercurous chloride” in a Sentence
verb
British English
- The chemist sought to mercurise the chloride, ultimately forming mercurous chloride.
- They attempted to precipitate the solution to yield mercurous chloride.
American English
- The procedure is designed to produce mercurous chloride.
- The reaction will yield mercurous chloride as a solid.
adjective
British English
- The mercurous chloride electrode is a classical reference.
- A mercurous chloride precipitate was observed.
American English
- The mercurous chloride compound is photosensitive.
- A standard calomel electrode contains mercurous chloride.
Usage
Meaning in Context
Business
Rare; potentially in procurement or safety data sheets for chemical suppliers.
Academic
Primary context. Used in chemistry textbooks, papers on electrochemistry, and history of medicine dissertations.
Everyday
Virtually never used.
Technical
Core context. Used in chemical engineering, laboratory manuals, material safety specifications, and heritage conservation (for historical artifacts).
Vocabulary
Synonyms of “mercurous chloride”
Vocabulary
Antonyms of “mercurous chloride”
Watch out
Common Mistakes When Using “mercurous chloride”
- Pronouncing 'mercurous' as /mərˈkjʊərəs/ (like 'mercurious').
- Confusing it with mercuric chloride (HgCl₂).
- Using it in a non-technical context where 'mercury compound' would suffice.
FAQ
Frequently Asked Questions
No, they are distinct compounds. Mercurous chloride is Hg₂Cl₂ (mercury(I) chloride), while mercuric chloride is HgCl₂ (mercury(II) chloride), which is more soluble and toxic.
'Calomel' is a traditional name derived from Greek words for 'beautiful' and 'black', possibly referring to its transformation to a black mixture with ammonia. It's widely used in historical and some chemical contexts.
Historically, it was used as a medicine (laxative, antiseptic). Its modern primary use is in reference electrodes (calomel electrodes) for electrochemical measurements, though its use is declining due to mercury toxicity.
No. Like most mercury compounds, it is toxic and poses environmental hazards. It requires careful handling in controlled laboratory settings with appropriate safety protocols.
A chemical compound of mercury and chlorine (Hg₂Cl₂), appearing as a white powder or crystalline solid.
Mercurous chloride is usually technical/scientific in register.
Mercurous chloride: in British English it is pronounced /ˈmɜːkjʊrəs ˈklɔːraɪd/, and in American English it is pronounced /ˈmɜːrkjərəs ˈklɔːraɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'MERCURY'ous (containing mercury) + CHLORIDE (containing chlorine). It's the 'ous' one with less chlorine (Hg₂Cl₂) vs. 'ic' (HgCl₂).
Conceptual Metaphor
N/A for this technical compound.
Practice
Quiz
What is the common name for mercurous chloride?