displacement of halogen

Where are the"Halogens" located in periodic table?

• In group 1

• In group 2

• In group 17

• In group 18

Which of the "Halogens" is found in liquid state at room temperature?

• Flourine

• Astatine

• Iodine

• Bromine

Which of the "Halogens" has yellowish green color?

• Chlorine

• Bromine

• Flourine

• Iodine

Which of the following Halogen Acids is strongest reducing agent?

• HF

• HCl

• HBr

• HI

Which "Halogen" can able to displace Chlorine in Sodium Chloride?

• Flourine

• Bromine

• Iodine

• Astatine

Which halogen has the largest atomic size?

• Iodine

• Chlorine

• Bromine

• Astatine

Tags

NGSS.HS-PS1-1

Cl₂ + 2Br^- → 2Cl^- + Br₂ which one is the reducing agent?

• Br₂

• Cl₂

• Br^-

• Cl^-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which equation shows the displacement of bromine by chlorine?

• 2NaBr + Cl₂ → 2NaCl + Br^-

• NaBr + Cl^- → NaCl + Br₂

• 2NaBr + Cl₂ → 2NaCl + Br₂

• NaBr + 2Cl^- → NaCl + 2Br^-

What is the trend for melting and boiling points of halogens?

• increases down the group

• decreases down the group

• increases up the group

• no change up the group

What is the best prediction about the physical state and color of Astatine?

• Dark black solid

• Dark reddish brown liquid

• Light yellow gas

• Light green gas

Tags

NGSS.HS-PS1-1