Class 9 Exam  >  Class 9 Questions  >  The outer electronic configurations of two el... Start Learning for Free
The outer electronic configurations of two elements are shown below :
Which of the following statements are incorrect regarding X and Y ?
I. X can have valency 2.
II. X and Y combine to form X2Y3 type of compound.
III. Y will form divalent anion to acquire stable configuration.
IV. The valency of X and Y is the same.
  • a)
    I and III only
  • b)
    II and IV only
  • c)
    II and III only
  • d)
    I and IV only
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The outer electronic configurations of two elements are shown below :W...
∴ Valency of X = 3
(It will lose three electrons to attain stable noble gas configuration)
Valency of Y = 2 (It will gain two electrons to form divalent anion and attain stable noble gas configuration.)
Attention Class 9 Students!
To make sure you are not studying endlessly, EduRev has designed Class 9 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 9.
Explore Courses for Class 9 exam

Top Courses for Class 9

The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer?
Question Description
The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.
Here you can find the meaning of The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice The outer electronic configurations of two elements are shown below :Which of the following statements are incorrect regarding X and Y ?I. X can have valency 2.II. X and Y combine to form X2Y3 type of compound.III. Y will form divalent anion to acquire stable configuration.IV. The valency of X and Y is the same.a)I and III onlyb)II and IV onlyc)II and III onlyd)I and IV onlyCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 9 tests.
Explore Courses for Class 9 exam

Top Courses for Class 9

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev