Practice question
Question
The Ka of HNO₂ is 4.5 × 10⁻⁴ . What is the Kb of NO₂- at 298 K?
Explanation
Kw = Ka × Kb = 1.0 × 10⁻¹⁴ , Kb = (1.0 × 10⁻¹⁴/4.5 × 10⁻⁴) ≈ 2.22 × 10⁻¹¹ .
We use cookies to improve your experience and understand how Examtube is used. You can accept analytics cookies or continue with essential cookies only.
Privacy policyMCQ
Question
Guides and insights connected to this topic
What happens during anaphase: APC/C, securin, separase and cohesin, spindle microtubules, anaphase A and B in mitosis, and anaphase I and II in meiosis.
Introduction Telophase is the final stage of mitosis and also the final stage of each division in meiosis, known as telophase I and telophase II. It is the stage when separated chromosomes arrive at opposite poles and the cell prepares to re-establish interphase conditi...
Learn how chloroplasts power plant photosynthesis, their structure, pigments, and light reactions. Explore modern efforts to make plants more efficient.
This page is supported by advertisements. An ad blocker is stopping those ads from loading, so we cannot show the rest of the page yet. Pause the blocker for this site, then continue. We will check again automatically.
You can keep using this site after advertisements are allowed to load.