The oxidation number of cobalt in K 3 [Co(NO 2 ) 6 ] is

Chemistry · JEE Advanced · NTA Exams — Some Basic Concepts in Chemistry

1. 0
2. + 4
3. + 3
4. + 6

Answer

(C) + 3

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• One part of an element A combines with two parts of B (another element). Six parts of element C combine with…
• Given that the abundances of isotopes Fe 54 , Fe 56 and Fe 57 are 5%, 90% and 5%, respectively, the atomic…
• Among the following, the species in which the oxidation number of an element is +6 (2000)
• If we consider that 1/6 in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit…
• Which of the following reactions do not involve oxidation or reduction:
• In the standardization of Na 2 S 2 O 3 and K 2 Cr 2 O 7 by iodometry, the equivalent weight of K 2 Cr 2 O 7…
• To 1 L of 1.0 M impure H 2 SO 4 sample, 1.0 M NaOH solution was added and a plot was obtained as follows …
• In van der Waals equation of state for a non-ideal gas, the term that accounts for intermolecular forces is

More Some Basic Concepts in Chemistry questions · Browse all practice questions