Halogens

Question 1

which grp elements are called halogens? word derivation? halogens include? look like? metals/non metals? reactive or no? they all exist as?

Answer 1

7a
reactive non metals

Question 2

volatility of halogens? grp wise? reason? polar non polar? what forces do they have? how does the strength of these forces increase?

Question 3

bond energy _____ down the grp from ___ to ___?
why F has lower bond energy than Cl?

Answer 3

A higher bond energy indicates a stronger bond that requires more energy to break.

Question 4

the reactivity of halogens is directly related to? most reactive halogen? trend down the grp? order of decreasing oxidizing power?

Question 5

how can F2 oxidize & displace all the halide ions to free halogens?

Question 6

halogens react with H to form? reaction formula? relative reactivty of halogens in these reactions?

Question 7

describe how each element reacts with Hydrogen?

Question 8

strength of hydrogen-halogen bond is related to? relative thermal stability of hydrogen halides? why does it increase or decrease>

Question 9

acid strength of halogen acids? strongest & weakest acid?

Question 10

reducing power of anions depends on? reducing power of halogens down the grp? halide ions

Question 11

reaction of halide ions with H2SO4?

Question 12

reaction of halide ions with silver nitrate?

Question 13

reaction of halide ions with NaOH?

Question 14

reaction of Cl with water.
how is this process useful?