Questions given below consist of two statements each printed as Assertion (A) and Reason (R); while answering these questions you are required to choose any one of the following four responses: Assert

Question

Questions given below consist of two statements each printed as Assertion (A) and Reason (R); while answering these questions you are required to choose any one of the following four responses:

Assertion : The highest oxidation state of chromium in its compounds is +6. Reason : Chromium atom has only six electrons in ns and (n–1) d orbitals.

TestHub · Accepted Answer

Question Explanation: Question is asking to evaluate an assertion and reason for the highest oxidation state of chromium.

Concept: Oxidation States.

Solution:

Explanation: The reason correctly explains the assertion. The maximum possible oxidation state for early transition metals is the sum of their ns and (n-1)d electrons. For Cr, this is 1 + 5 = 6.

Chemistry - Complete d-block Question with Solution | TestHub

Options:

Doubts & Discussion