Answer: Option i)
The answer is Li has a high hydrogen enthalpy. So its water reaction produces a lot of energy, which is used up infusion, vaporization, and ionization. So its water interaction is weaker.
Alkali metals react with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously? (i) Li (ii) Na (iii) K (iv) Cs
Alkali metals react with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously? (i) Li (ii) Na (iii) K (iv) Cs