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Of the following sets which one does NOT contain isoelectronic species ? [AIEEE- 2005]
- a)CN-, N2, C22-
- b)PO43-, SO42-, ClO4-
- c)BO33-, CO32-, NO3-
- d)SO32-, CO32-, NO3-
Correct answer is 'D'. Can you explain this answer?
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Verified Answer
Of the following sets which one does NOT contain isoelectronic species...
In the first example (CN-, N2, C22-) we have 14 electrons. In second (PO43-, SO42-, ClO4-) we have 50 electrons. In the third (BO33-, CO32-,NO3-), we have 32 electrons. While n last case, although we have 32 electrons in CO32- and NO3- but SO32- has 42 electrons. So, the last case has no isoelectronic species.
Most Upvoted Answer
Of the following sets which one does NOT contain isoelectronic species...
◾◾Yes Correct Option is D) 🔸#Explanation :👇👇👇◾◾*Simply checking the total no.. of electrons in each atom adding them and also adding charge on that molecule at last. ◾◾If in given option all molecules have same no. of electrons then those are isoelectronic species . ◾◾For example take examples in first opt-ion.🔹 Let's calculate no. of e in each molecule. ▫▫a) CN^- [ C= 6 e,, N =7 ,, 1.e for - charge. => 6 + 7 + 1 = 14 ],,,,,,N2 [ N = 7 ,,,N =7,,, => 7+7 = 14 ] C^2- [ C2= 12 ,,,, 2 e of - charge.... =>12+2 = 14]in option first all have 14 e hence isoelectronic species.◾◾◾*** ( if there is positive charge instead of negative minus then that charge.) ◾◾◾For Option b) PO4^3- [ P =15 ,,,, O4 = (8*4)=32 ,,, 3 for - charge.,,, ==> 15+ 32 + 3 = 50 e ] ,,,,,SO4^2- [ S =16 ,,, O4= 32 ,,,, 2 for - charge,,, => 16+32+2 = 50 e ] ClO4^- = [ Cl = 17 ,,,,,O4 = 32 ,,,1 ,,,=> 17 + 32 + 1 = 50 e ] all have same e hence isoelectronic species.◾◾◾Option D) SO3^2- [ S= 16 ,,,,O3 = 24 ,, 2 ,,,=> 16 +24 +2 = 42 e ] ,,,,CO3^2-[ C=6 ,,,O3 = 24 ,,, 2 => 6 + 24 +2= 32 e] NO3^- [ N =7 ,,, O3 = 24 ,,,1 ,,, => 7+ 24 +1 = 32 e] two molecules have 32 e while one has 42 not same no. of e. ◾◾◾hence not isoelectronic species,, hence correct Option is D👍👍👍✌✌✌✌✌✌
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Community Answer
Of the following sets which one does NOT contain isoelectronic species...
The correct answer is D.
Explanation:
To determine which set does not contain isoelectronic species, we need to compare the electronic configurations of the given species in each set.
Set A:
CN-: It has 10 electrons, with the same electronic configuration as N2.
N2: It has 14 electrons, with a triple bond between the two nitrogen atoms.
C2: It has 20 electrons, with a double bond between the two carbon atoms.
Set B:
PO43-: It has 32 electrons, with the same electronic configuration as SO42-.
SO42-: It has 32 electrons, with a double bond between the sulfur and oxygen atoms.
ClO4-: It has 32 electrons, with a single bond between the chlorine and oxygen atoms.
Set C:
BO33-: It has 26 electrons, with the same electronic configuration as CO32-.
CO32-: It has 26 electrons, with a double bond between the carbon and oxygen atoms.
NO3-: It has 24 electrons, with a double bond between the nitrogen and oxygen atoms.
Set D:
SO32-: It has 26 electrons, with a double bond between the sulfur and oxygen atoms.
CO32-: It has 26 electrons, with a double bond between the carbon and oxygen atoms.
NO3-: It has 24 electrons, with a double bond between the nitrogen and oxygen atoms.
Analysis:
Isoelectronic species have the same number of electrons. In sets A, B, and C, there are species with the same number of electrons, making them isoelectronic. However, in set D, none of the species have the same number of electrons as the others. Therefore, set D does not contain isoelectronic species.
Conclusion:
The correct answer is D. The set D does not contain isoelectronic species.
Explanation:
To determine which set does not contain isoelectronic species, we need to compare the electronic configurations of the given species in each set.
Set A:
CN-: It has 10 electrons, with the same electronic configuration as N2.
N2: It has 14 electrons, with a triple bond between the two nitrogen atoms.
C2: It has 20 electrons, with a double bond between the two carbon atoms.
Set B:
PO43-: It has 32 electrons, with the same electronic configuration as SO42-.
SO42-: It has 32 electrons, with a double bond between the sulfur and oxygen atoms.
ClO4-: It has 32 electrons, with a single bond between the chlorine and oxygen atoms.
Set C:
BO33-: It has 26 electrons, with the same electronic configuration as CO32-.
CO32-: It has 26 electrons, with a double bond between the carbon and oxygen atoms.
NO3-: It has 24 electrons, with a double bond between the nitrogen and oxygen atoms.
Set D:
SO32-: It has 26 electrons, with a double bond between the sulfur and oxygen atoms.
CO32-: It has 26 electrons, with a double bond between the carbon and oxygen atoms.
NO3-: It has 24 electrons, with a double bond between the nitrogen and oxygen atoms.
Analysis:
Isoelectronic species have the same number of electrons. In sets A, B, and C, there are species with the same number of electrons, making them isoelectronic. However, in set D, none of the species have the same number of electrons as the others. Therefore, set D does not contain isoelectronic species.
Conclusion:
The correct answer is D. The set D does not contain isoelectronic species.
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Of the following sets which one does NOT contain isoelectronic species ? [AIEEE- 2005]a)CN-, N2, C22-b)PO43-, SO42-, ClO4-c)BO33-, CO32-, NO3-d)SO32-, CO32-, NO3-Correct answer is 'D'. Can you explain this answer?
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Of the following sets which one does NOT contain isoelectronic species ? [AIEEE- 2005]a)CN-, N2, C22-b)PO43-, SO42-, ClO4-c)BO33-, CO32-, NO3-d)SO32-, CO32-, NO3-Correct answer is 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Of the following sets which one does NOT contain isoelectronic species ? [AIEEE- 2005]a)CN-, N2, C22-b)PO43-, SO42-, ClO4-c)BO33-, CO32-, NO3-d)SO32-, CO32-, NO3-Correct answer is 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Of the following sets which one does NOT contain isoelectronic species ? [AIEEE- 2005]a)CN-, N2, C22-b)PO43-, SO42-, ClO4-c)BO33-, CO32-, NO3-d)SO32-, CO32-, NO3-Correct answer is 'D'. Can you explain this answer?.
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