Classification Of Elements And Periodicity In Properties Question 9
Question 9 - 01 February - Shift 2
For electron gam enthapies of the elements denoted as $\Delta _{eg} H$, the incorrect option is :
(1) $\Delta _{eg} H(Cl)<\Delta _{eg} H(F)$
(2) $\Delta _{\text{eg }} H(Se)<\Delta _{eg} H$ (S)
(3) $\Delta _{\text{eg }} H$ (I) $<\Delta _{\text{eg }} H(At)$
(4) $\Delta _{eg} H(Te)<\Delta _{eg} H(Po)$
Show Answer
Answer: (2)
Solution:
Formula: Electron gain enthalpy
(1) $\Delta _{eg} H(Cl)<\Delta _{eg} H(F)$
$(-345) \quad(-328)$ Correct
(2) $\Delta _{\text{eg }} H(Se)<\Delta _{eg} H(S)$
$(-195) \quad(-200)$ Incorrect
(3) $\Delta _{eg} H$ (I) $<\Delta _{eg} H(At)$
$(-295)(-270)$ Correct
(4) $\Delta _{eg} H(Te)<\Delta _{eg} H(Po)$
$(-190)$ (-183) Correct
