cupric sulfate

Thân thiện

A student adds cupric sulfate crystals to a beaker of water.

Definition

1. Noun:
   • A chemical compound: "cupric sulfate" is an inorganic compound with the chemical formula CuSO₄. It is a copper salt formed by the reaction of sulfuric acid with copper or copper oxide.
   • A blue crystalline solid: In its most common hydrated form (CuSO₄·5H₂O), it appears as bright blue crystals or powder.

Examples of Usage

• Noun:
  • The laboratory experiment required a solution of cupric sulfate.
  • Cupric sulfate is often used as an algicide in ponds and water treatment.

Advanced Usage

• "Cupric sulfate pentahydrate": This specifies the common blue, hydrated form of the compound containing five water molecules.
  • The characteristic blue color is due to cupric sulfate pentahydrate.

Variants and Related Words

• Copper(II) sulfate: This is the systematic IUPAC name for the same compound, where (II) indicates the oxidation state of the copper ion.
  • Copper(II) sulfate is synonymous with cupric sulfate.
• Blue vitriol: A common historical or industrial name for cupric sulfate pentahydrate.
  • Blue vitriol was used historically in dyeing and leather tanning.

Synonyms

• Copper sulfate: A more general, commonly used name.
• Blue stone: An informal name, especially in agricultural contexts.

Notes on Meaning

• The term "cupric" specifically denotes copper in the +2 oxidation state (Cu²⁺). This distinguishes it from "cuprous" compounds, which contain copper in the +1 state (Cu⁺).
• While a dictionary might list "đường sunfat" (sugar sulfate) as a translation, this is a phonetic transliteration error and is chemically incorrect. The correct substance is a copper salt, not related to sugar.

Học thuật

Noun

1. a copper salt made by the action of sulfuric acid on copper oxide

Từ đồng nghĩa

• copper sulfate
• copper sulphate
• cupric sulphate