Which of the following reaction is not feasible?
2KI + Br2 → 2KBr + I2
2H2O + 2F2 → 2HF + O2
2KBr + I2 → 2KI + Br2
2KBr + Cl2 → 2KCl + Br2
When an aqueous solution of magnesium sulphate is treated with ammonium hydroxide, then which of the following is precipitated?
(NH4)2S
Mg3N2
MgOH
Mg(OH)2
Group-2 elements are
Oxidising agents
Reducing agents
Oxidising as well as reducing agents
Neither oxidising nor reducing agents
Which of the following alkaline earth metal forms covalent compounds?
Barium
Calcium
Beryllium
Magnesium
