P Block - gp 17 Flashcards
order of atomic radii
F < Cl < Br < I
Halogens have smallest radii in their respective periods
maximum effective nuclear charge
order of I.E
F > Cl > Br > I
order of EGE
Cl > F > Br > I
halogens have maximum EGE
halogens readily accept one electron to attain noble gas configuration bcos: i. small size ii. high Zeff iii. ns2 np5 configuration
Cl has more -ve EGE than F
Due to the compact nature of F there is more electron electron repulsion b/w non bonding electrons
order of EN
F > Cl > Br > I
Order M.P and B.P
F < Cl < Br < I
Order of BDE
Cl > Br > F > I
BDE of F is less than that of Cl
Due to small size, electron electron repulsion among the lp’s is more in F
F exhibits which oxdn state and why
-1 also +1 only in HOF , it exhibits only -1 O.S because
it has no vacant d orbital and has high EN
F is a stronger O.A than Cl
i. low BDE of F—F bond
ii. High hydration enthalpy of F-
common OS exhibited by halogens
+1 , -1 , +3 , +5 , +7
Why do halogens have strong oxidizing nature?
ready acceptance of electrons
Most of the reactions of F are exothermic
i. small size
ii. strong bond formed with other elements
