TS EAMCET · Chemistry · Classification of Elements and Periodicity in Properties
The elements with highest and lowest electron gain enthalpy in group 16 respectively are
- A \(\mathrm{O} ; \mathrm{Te}\)
- B 0 ; Po
- C \(\mathrm{S}\); \(\mathrm{O}\)
- D \(\mathrm{S} ; \mathrm{Te}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{S}\); \(\mathrm{O}\)
Step-by-step Solution
Detailed explanation
The electron gain enthalpy decreases with increases in size of the central atom on moving down the group. Oxygen has less negative electron gain enthalpy than sulphur. Hence, option (3) is correct.
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