LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
15 views
in Chemistry by (30.0k points)
closed by
________ is a highly reactive halogen.
1. Fluorine
2. Chlorine
3. Bromine
4. Iodine

1 Answer

0 votes
by (54.3k points)
selected by
 
Best answer
Correct Answer - Option 1 : Fluorine

The correct answer is Fluorine.

  • Fluorine:
    • Fluorine was first discovered in 1886 by isolating it from Hydrofluoric acid.
    • Fluorine has an atomic number of 9 and is denoted by the symbol F.
    • Fluorine exists as a diatomic molecule in its free state(F2).
    • It is the most abundant halogen found in the Earth's Crust.
    • Fluorine is the most electronegative element in the Periodic table.
    • It appears as a pale yellow gas at room temperature.
    • It is extremely reactive and reacts directly with all the elements except helium(He), Neon(Ne), and argon(Ar).
  • General Properties of Halogen:
    • ​Halogen is located on the left of the Noble gases on the Periodic table.
    • The elements which are present in group 17 of the Halogen group are:
      • Fluorine, Chlorine, Bromine, Iodine, and Astatine.
    • Halogen does not exist in a free state.
    • Halogen exists in all different states of matter.
    • The halogen of group 17 exhibits different colors.

Halogen Color in water Organic Solvent
Fluorine Yellow Yellow
Chlorine Greenish Yellow Green
Bromine Reddish Brown Brown
Iodine Brown Purple

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...