and the other is labeled as Reason (R). Assertion : There is a considerable increase in covalent radius from to . However, from As to Bi only a small increase in covalent radius is observed. Reason (R): covalent and ionic radii in a particular oxidation state increases down the group. In the light of the above statement, choose the most appropriate answer from the options given below: is false but (R) is true and (R) are true but (R) is not the correct explanation of is true but (R) is false and (R) are true and (R) is the correct explanation of

Both

Both