The 1st structure is more likely structure because of more electronegative electron negtive formal charge.

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3. Draw three different resonance structures for the compound carbonyl sulfide, with formula OCS (C is the central atom), and rank them from "best" to "worst" in terms of their contribution to the molecule's resonance hybrid, based on formal charges of the atoms. Justify your answer. Continue your work onto the top of the next page.
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1. a. Draw the structures of A and B (resonance structures), and C (tetrahedral intermediate). Use curved arrows to show how each structure is formed b. Draw the structure of the Nu: you would use to make CompoundD O (tetrahedral intermediate) он c. (i) Explain why H does not react with a pi bond in the ring in Compound Z. (ii) Which resonance structure, A or B, shows why reacting H with the ketone makes the more reactive?...
Draw Lewis structures for two different isomers with the molecular formula C3H5OCl . All the atoms in your molecules should have full octets of valence electrons and formal charges of zero.
Draw Lewis structures for two different isomers with the molecular formula C3H8NOBr .All the atoms in your molecules should have full octets of valence electrons and formal charges of zero.
Draw two different Lewis structures for N2O, one with the arrangement N-O-N, and the other with the arrangement N-N-O. Assign formal charges and circle the more stable structure. Do either of these structures have a resonance form? Explain. In addition to measuring bond lengths, how could you distinguish between the N-O-N and N-N-O structures?
Question 5 a) Draw all the reasonable resonance structures for N20 with the atoms bonded in the order N-N-O. Label all the non-zero formal charges on the atoms in your structures. Note do not show your formal charge calculations, just label the non-zero values in your structures. (3 marks) b) Decide which structure(s) contribute the most to the resonance hybrid. Clearly explain your reasoning (1 mark)
For the cyanate ion (NCO), a. Draw three reasonable Lewis structures (i.e. resonance structures) that obey the octet rule. b. Calculate the formal charge for each element in each structure. Clearly show your work c. Clearly identify the most stable structure based on the formal charges calculated in part b. d. Explain the reason for the structure you selected as most stable.
PART II a) Draw all of the Lewis structures possible for the molecules below (resonance structures) and b) Indicate the formal charge on all of the atoms in your structures. Based on the formal charges, are the structures equivalent or not equivalent. If not determine the "best" resonance structure. (a) CO, (b) NO, (c) NO, (d) N,
Draw three resonance structures for CNS. This species has its three atoms bonded sequentially in the following fashion: C-N-S. Draw your resonance structures so that the atoms in them are bonded together in this order Select the most important resonance structure for this species based on the formal charges on the atoms of the three resonance structures you have drawn. Select the choices from below which make the statements true about this (most important) resonance structure (a) The leftmost bond...
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Determine 5) Draw three correct structures (2 are resonance) for CINO2. which structure is the most stable using formal charges. t t t t t tt Determine which is the most stable 6) Draw two correct structures for NSF. using formal charges Ittttttttt 7) Draw the Lewis structures for each of the following molecules or ions. These molecules or ions may not obey the octet rule. PC15- BH3 ttttttttttttttt 0