The major product formed in the following reaction K+O₂ → is · ABC26IN0728
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
The major product formed in the following reaction $\mathrm{K}+\mathrm{O}_{2} \rightarrow$ is
(a)$\mathrm{K}_{2} \mathrm{O}$
(b)$\mathrm{K}_{2} \mathrm{O}_{2}$
(c)$\mathrm{KO}_{2}$
(d)$\mathrm{K}_{2} \mathrm{O}_{3}$
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Boiling points: SiCl₄ 57.6 °C < CCl₄ 76.7 °C < GeCl₄ 86.5 °C < SnCl₄ 114 °C. CCl₄ is denser in electrons per volume (stronger dispersion) than the larger but less compact SiCl₄, so SiCl₄ (c) boils lowest.