| ⇦ | 
| ⇨ |
Which of the following order of element is wrong?
Options
(a) NH₃ < PH₃< AsH₃– Acidic
(b) Li < Be < B < C – First IP
(c) Al₂O₃< MgO < Na₂O < K₂O – Basic
(d) Li⁺< Na⁺< K⁺< Cs⁺ – Ionic radius
Correct Answer:
Li < Be < B < C – First IP
Explanation:
Along the period, I.P. generally increases butnot regularly. Be and B are exceptions. First I.P. increases in moving from left to right in a period, but I.P. of B is lower than Be
Related Questions: - Electric configuration of chalcogens in their outermost orbit is
- Which of the following shows linear structure
- Which of the following isomeric alcohols react fastest with HCL
- Variable valency in general, is exhibited by
- The atomic number of cobalt is 27. The EAN of cobalt in Na₃[Co(NO₂)₄Cl₂] is
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
- Electric configuration of chalcogens in their outermost orbit is
- Which of the following shows linear structure
- Which of the following isomeric alcohols react fastest with HCL
- Variable valency in general, is exhibited by
- The atomic number of cobalt is 27. The EAN of cobalt in Na₃[Co(NO₂)₄Cl₂] is
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