Which of the following pair are members from the same group of periodic table?
Mg, Ba
Mg, Na
Mg, Cu
Mg, Cl
Mg, Ba pair of the elements is from the same group, alkaline earth metals.
Question 17 Arrange the following elements in the order of their decreasing metallic character Na, Si, Cl, Mg, Al (a) Cl > Si >Al > Mg >Na (b) Na >Mg >Al >Si > Cl (c) Na > Al > Mg > Cl > Si (d) Al > Na> Si > Ca> Mg
The standard reduction potentials at 250 C of Li+ /Li , Ba2+ /Ba , Na+ /Na and Mg2+ /Mg are -3.05 , -2.73 , -2.71 and -2.37 volt respectively. Which one of the following is the strongest oxidizing agent?
Which of the following metals are extracted by the electrolysis of their molten chlorides? (a) Na and Hg (b) Hg and Mg (c) Na and Mg (d) Cu and Fe