Cards (52)

    • Which halogen is the strongest oxidizing agent in Group 7?
      Fluorine
    • The oxidizing strength of halogens increases down Group 7.
      False
    • The weakest oxidizing agent in Group 7 is astatine
    • What type of compounds are formed when halogens react with metals?
      Ionic compounds
    • Fluorine reacts more vigorously with metals than iodine does.
    • Arrange the halogens in order of decreasing reactivity with hydrogen:
      1️⃣ Fluorine
      2️⃣ Chlorine
      3️⃣ Bromine
      4️⃣ Iodine
    • What is the general formula for the reaction between a halogen and hydrogen?
      H_{2} + X_{2} \rightarrow 2HX</latex>
    • The reaction between fluorine and hydrogen is explosive, even at low temperatures
    • The reaction between iodine and hydrogen is reversible and requires heating.
    • What compound is formed when carbon reacts with fluorine?
      CF4CF_{4}
    • What type of bond is formed when halogens react with non-metals?
      Covalent bond
    • The reactivity order of halogens with hydrogen is: Fluorine > Chlorine > Bromine > Iodine
    • Arrange the halogens in order of decreasing reactivity with hydrogen:
      1️⃣ Fluorine
      2️⃣ Chlorine
      3️⃣ Bromine
      4️⃣ Iodine
    • The reaction between carbon and halogens requires high temperatures or catalysts.
    • What are the products formed when halogens react with hydrogen?
      Hydrogen halides
    • What is the reactivity order of halogens with hydrogen?
      F > Cl > Br > I
    • Fluorine reacts with hydrogen explosively, even at low temperatures
    • Chlorine reacts with hydrogen vigorously and requires UV light or heat.
    • What conditions are required for bromine to react with hydrogen?
      Moderate heating
    • Iodine reacts with hydrogen slowly and the reaction is reversible
    • What type of organic compounds do halogens form with carbon?
      Halogenated organic compounds
    • Reactions of halogens with carbon require high temperatures or catalysts.
    • What are the key points of halogen reactions summarized in the material?
      Covalent compounds, electronegativity, reactivity trend
    • Halogens react with water to form hypohalous acids and hydrogen halides
    • What is the general equation for the reaction of halogens with water?
      X_{2} + H_{2}O \rightarrow HOX + HX</latex>
    • Match the halogen with its reaction with water:
      Fluorine ↔️ Extremely vigorous
      Chlorine ↔️ Moderate
      Bromine ↔️ Slow
      Iodine ↔️ Negligible
    • The reactivity of halogens with water decreases down Group 7 due to decreasing electronegativity and electron affinity.
    • What is the reactivity order of halogens in displacement reactions?
      F > Cl > Br > I > At
    • Fluorine can displace chlorine in 2NaF2NaF to form2NaCl</latex> and F_{2}
    • Which halogen has the highest oxidising strength?
      Fluorine
    • The oxidising strength of halogens decreases down Group 7 due to decreasing electronegativity and electron affinity.
    • Halogens react with metals to form ionic compounds called salts
    • What is the product of the reaction between sodium and chlorine?
      NaCl</latex>
    • Arrange the halogens in order of their reactivity with metals:
      1️⃣ Fluorine
      2️⃣ Chlorine
      3️⃣ Bromine
      4️⃣ Iodine
    • Halogens form covalent compounds with non-metals due to their high electronegativity.
    • Match the halogen with its reaction with hydrogen:
      Fluorine ↔️ Explosive
      Chlorine ↔️ Vigorous
      Bromine ↔️ Moderate
      Iodine ↔️ Slow
    • The general equation for the reaction of halogens with carbon is C+C +2X2CX4 2X_{2} \rightarrow CX_{4}, where X represents a halogen
    • What conditions are required for the reaction of chlorine with carbon to form CCl4CCl_{4}?

      Heat or catalysts
    • What compounds do halogens form when reacted with hydrogen?
      Hydrogen halides
    • Halogens react with hydrogen to form hydrogen halides.
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