Savollarda asosan sizdan cho'kma rangi, metal ion, oksidlar ranglari so'ralishi mumkin.
Esda qolarli bo'lishi uchun:
Metall ionlari va tuzlar
🟡 Na⁺, K⁺ – rangsiz
🟠 Ca²⁺ – rangsiz
🟡 Mg²⁺ – rangsiz
🔵 Cu²⁺ – ko‘k (CuSO₄ → ko‘k)
🟩 Fe²⁺ – yashil
🟫 Fe³⁺ – jigarrang
🟣 MnO₄⁻ (permanganat) – binafsha
🟪 MnO₂ – qo‘ng‘ir-qora
💚 Cr³⁺ – yashil
💚 Cr₂O₇²⁻ – to‘q to‘q sariq
🟠 CrO₄²⁻ – sariq
⚫ Ag₂O – qora
⚪ AgCl – oq
🟡 AgBr – sarg‘ish-oq
🟡 AgI – sariq
⚪ BaSO₄ – oq
⚪ CaCO₃ – oq
⚪ Mg(OH)₂ – oq
2) Oksidlar ranglari
⚪ ZnO – oq (qizdirilganda sarg‘ayadi)
⚪ Al₂O₃ – oq
⚫ CuO – qora
🟤 Fe₂O₃ – jigarrang
⚫ Fe₃O₄ – qora
⚫ MnO₂ – qora
⚪ PbO₂ – to‘q jigarrang
🟡 PbO – sariq
3) Cho‘kmalar (reaksiyalarda ko‘p uchraydigan)
⚫ CuS – qora
⚫ PbS – qora
⚫ FeS – qora
🟡 CdS – to‘q sariq
🟡 As₂S₃ – sariq
🟠 Sb₂S₃ – to‘q-to‘q sariq
⚪ Ca(OH)₂ – oq
⚪ BaCO₃ – oq
⚪ Zn(OH)₂ – oq
🟤 Fe(OH)₃ – jigarrang
🟩 Fe(OH)₂ – yashil
4) Komplekslar
💙 [Cu(NH₃)₄]²⁺ – to‘q ko‘k
💚 [Cr(OH)₆]³⁻ – yashil
💛 [Ag(NH₃)₂]⁺ – rangsiz
Forwarded fromKenjayev Nuriddin Kimyo Kursi
3September 20, 2026 31 2
