KI and CusO4 solution when mixed, give :
CuI2 + K2SO4
Cu2I2 + K2SO4
K2SO4 + Cu2I2 + I2
K2SO4 + CuI2 + I2
C.
KI and CuSO4 solution when mixed, give K2SO4 + Cu2I2 + I2.
2KI + CuSO4 → CuI2 + K2SO4
Which of the following elements never show positive oxidation number?
O
Fe
Ga
F
Which of the following element is a metalloid?
Bi
Sn
Ge
C
What is the name of element with atomic number 105?
Kurchatovium
Dubnium
Nobelium
Holmium
Which among the following elements have lowest value of IE1?
Pb
Si