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suter [353]
2 years ago
6

HELP PLEASE

Chemistry
2 answers:
ololo11 [35]2 years ago
8 0
Third choice because the others make no sense
erik [133]2 years ago
5 0

Answer:  It is a salt because it is formed by the reaction of an acid and a base.

Explanation:  When an Acid and Base reacts with each other, the product formed is known as Salt. This reaction is a kind of neutralization reaction in which acid is being neutralized by the base.

Thus Sodium Chloride is a salt because it is formed by the neutralization reaction of the strong acid like HCl and strong base like NaOH

                      HCl(aq) + NaOH (s)  →  NaCl(s)

Thus all the other options given are wrong.

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Using molecular orbital theory, the bond order of the C-C bond in the C2 molecule is _____. g
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Answer:

The bond order for C2 molecule is 2.

Explanation:

Bond order can be defined as the half of the difference between the number of electrons in the bonding orbital and the number of electrons in the antibonding orbitals. It can be represented mathematically by; .

Bond order,n= [number of electrons in the bonding molecular orbitals(BMO) - the number or electrons in the anti-bonding molecular orbitals(AMO) ] / 2.

The electronic configuration of the C2 molecule is given below;

C2 = (1sσ)^2 (1s^*σ)^2 (2sσ)^2 (2s^*σ)^2 (2pπ)^4.

The ones with the (*) are known as the Anti-bonding molecular orbitals while the ones without (*) are known as the bonding molecular orbitals. Hence, we have 8 Electrons from the bonding molecular orbitals and 4 Electrons from the anti-bonding molecular orbitals.

So, from the formula given above, the bond order of C2 molecule is;

===> 8-4/2= 4/2.

===> 2.

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