Inorganic Chemistry book 2

1.     Which of the following is the weakest acid in water

a)     HF

b)    HCl

c)     HBr

d)    HI

2.     The halogen which reacts very slowly with halogen is

a)     Fluorine

b)    Chlorine

c)     Astatine

d)    Iodine

3.     Which of the following represents the correct electronic configuration of VIIA group elements in the ground state?

a)     ns²p²

b)    ns²p⁴

c)     ns²p⁵

d)    ns²p⁶

1.a

2.d

3.c