Octate, Isoelectronic Species, Lewis Structure & Formal Charge Past Year (2006 - 2015) MCQs Chemical Bonding and Molecular Structure Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which of the following pairs of ions are isoelectronic and isostructural?

1. ${CO}_{3}^{2 -},$ ${SO}_{3}^{2 -}$

2. ${ClO}_{3}^{-},$ ${CO}_{3}^{2 -}$

3. ${SO}_{3}^{2 -},$ ${NO}_{3}^{-}$

4. ${ClO}_{3}^{-},$ ${SO}_{3}^{2 -}$

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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An electron-deficient compound among the following is:

1.	(SiH₃)₂	2.	(BH₃)₂
3.	PH₃	4.	(CH₃)₂

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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An isostructural compound with XeF₂among the following is:
1. ICl₂^–
2. SbCl₃
3. BaCl₂
4. TeF₂

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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Identify the wrong statement among the following.

1.	Amongst isoelectronic species, the smaller the positive charge on the cation, the smaller is the ionic radius
2.	Amongst isoelectronic species, the greater the negative charge on the anion, the larger is ionic radius
3.	Atomic radius of the elements increases as one moves down the first group of the periodic table
4.	Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the periodic table

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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