| ⇦ | 
| ⇨ |
Which one of the following ionic species has the greatest proton affinity to form stable compound?
Options
(a) NH₂⁻
(b) F⁻
(c) I⁻
(d) HS⁻
Correct Answer:
NH₂⁻
Explanation:
Proton affinity decreases in moving across the period from left to right due to increase in charge, within a group the proton affinities decreases from top to bottom. Nitrogen family > Oxygen family > Halogens
Related Questions: - Boron is unable to form BF₆³⁻ because of
- In which of the following, the entropy decreases
- When sodium is added to ethanol
- When 22.4 litres of H₂(g) is mixed with 11.2 litres of Cl₂(g) each at S.T.P,
- The elements having the electronic configuration [Kr] 4d¹°f¹⁴,5s² p⁶d²,6s² belongs
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Boron is unable to form BF₆³⁻ because of
- In which of the following, the entropy decreases
- When sodium is added to ethanol
- When 22.4 litres of H₂(g) is mixed with 11.2 litres of Cl₂(g) each at S.T.P,
- The elements having the electronic configuration [Kr] 4d¹°f¹⁴,5s² p⁶d²,6s² belongs
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply