Assertion (A) : `PbI_4` is a stable compound .
Reason (R) : Iodide ion stablised by higher oxidation state

Options

A. If the both assertion and reason are true and the reason is the correct explanation of the assertion
B. If both assertion and reason are true and the reason is not the correct explanation of the assertion
C. If assertion is true but reason is false
D. If both assertion and reason are false statements.

Answer

D

Explanation

Due to screening effect , down the group lower oxidation state become more stabe, e.g., Pb(II) is more stabe than Pb(IV). But small, highly electronegative elements like F-atoms can somewhat stabilise its higher oxidation state.