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Part d based on your answer to part c, how many bonding electrons and lone pair electrons (nonbonding electrons) are there in the lewis structure of hcn?

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transitionstate
The Lewis Structure of HCN is shown below,

Number of Bonding Electrons:
                                               In HCN Hydrogen is bonded to Carbon through single bond and Nitrogen is bonded to Carbon through Triple Bond. Single bond is formed by two bonding electrons, while, triple bond is formed by six bonding electrons, Hence,

                               Number of Bonding Electrons  =  8

Number of Non-Bonding Electrons:
                                                            In HCN there is only one lone pair of electron present on Nitrogen atom which is not taking part in bonding. Hence, 
                              Number of Non-Bonding Electrons  =  2

Result:

                               Number of Bonding Electrons  =  8

                              Number of Non-Bonding Electrons  =  2
Ver imagen transitionstate

The lewis structure of HCN has 8 bonding electrons and 2 non-bonding electrons.

The bonding electrons are one that are involved in the bond formation.

The nonbonding loan pair of electrons are one which are not involved in the bond formation.

In the structure of HCN,

H has 1 electron involved in bonding with C.

C has 4 electrons available, 1 electron is involved in the bond formation with H.

The N has 6 electrons. There is a triple bond formation between C and N, 3 electrons of N and 3 electrons of C are involved in the bond formation.

So total number of 8 electrons are bonding electrons.

2 electrons of N act as loan pair and are non-bonding electron.

Number of Bonding Electrons  =  8

Number of Non-Bonding Electrons  =  2

For more information about bonding and nonbonding electrons, refer to the link:

https://brainly.com/question/17046577?referrer=searchResults

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