Question

53. Find out True (T) and False (F) statement.
(i) Z(ef )of Li+ > Z(ef) of B³+
(ii) conductivityof B< conductivity of C
(iii)Value of Z(ef) of iso electronic species is equal to number of protons.
(iv) Z(ef) is a fundamental factor in a period to explain properties of an element.
(1) FTFT
(2)FTTT
(3)FFTT
(4)TFFF





THE ANSWER IS OPTION 1 BUT CAN ANYONE TELL WHAT WOULD BE TRUE STATEMENT IN CASE OF (iii) STATEMENT
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Answer 1

the answer may be 1 or 2 or 3 or 4