Identifying the structure of N2O
Before determining which compound is isoelectronic and has the same structure as N2O, let's first identify the structure of N2O.

N2O is known as nitrous oxide or laughing gas. It consists of two nitrogen atoms bonded together by a triple bond, with one oxygen atom bonded to each nitrogen atom. The Lewis structure of N2O is as follows:

N≡N-O

Definition of Isoelectronic
Isoelectronic species are atoms or ions that have the same number of electrons and hence the same electronic configuration. In other words, isoelectronic species have the same number of valence electrons.

Comparing the options
Let's now compare the given options and determine which one is isoelectronic and has the same structure as N2O:

(A) N3H:
- This compound consists of three nitrogen atoms bonded to a single hydrogen atom.
- It does not have the same structure as N2O, as it lacks the oxygen atom and the triple bond.

(B) H2O:
- This compound, known as water, consists of two hydrogen atoms bonded to a single oxygen atom.
- It has a different structure than N2O, as it lacks the nitrogen atoms and the triple bond.

(B) NO2:
- This compound consists of a nitrogen atom bonded to two oxygen atoms.
- It has a different structure than N2O, as it lacks the second nitrogen atom and the triple bond.

(C) CO2:
- This compound, known as carbon dioxide, consists of a carbon atom bonded to two oxygen atoms.
- It does not have the same structure as N2O, as it lacks the nitrogen atoms and the triple bond.

Conclusion
None of the given options (A) N3H, (B) H2O, (B) NO2, and (C) CO2 are isoelectronic and have the same structure as N2O. The correct answer is none of the above.

h2o 100 not co2 see the structure n2o and h2o has same structure