Direction this section contains Assertion and Reason type question each question has 4 choice (1)(2)(3)(4) out of only which one is correct
(1) Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion (2)Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion (3)Assertion is correct but Reason is incorrect (4) Both Assertion and Reason are incorrect
Assertion(A):Oxidation state of H is +1 in `CuH_2` and is -1 in `CaH_2`
Reason(R):Calcium is stronger electropositive element then hydrogen and copper is more electronegative than hydrogen

Options

A. Both assertion and reason are correct and reason is the correct explanation of the assertion
B. Both assertion and reason are correct but reason is not the correct explantion
C. Assertion is correct but reason is incorrect
D. Both assertion and reason are incorrect

Answer

A