Resonance & Nature of Compounds NCERT Exercise Based 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

$H_{3} {PO}_{3}$ can be represented by structures 1 and 2 shown below.

These two structures cannot be taken as the canonical forms of the resonance hybrid, because :

1.	The positions of the atoms have changed.
2.	The positions of the atoms are constant.
3.	H₃PO₃ does not show resonance.
4.	Two hydrogen atoms are missing.

Subtopic: Resonance & Nature of Compounds |

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The number of resonating structures exhibited by $CO^{2-}_3$ ion are :

1.	2	2.	3
3.	4	4.	5

Subtopic: Resonance & Nature of Compounds |

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