B atom will get hybridised to variety 3 equivalent hybrid orbitals directed in the direction of a few comers of equilateral triangle with B atoms inside the centre. Bond angle = one hundred twenty°.
Concern eighteen. Out of bonding and antibonding molecular orbitals, which one particular has lessen Electricity and which one particular has larger stability?
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Query eleven. What does one realize by isoelectronic species? Identify a species that tvill be iso Digital with each of the following atoms or ions.
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Remedy: Dobereiner organized specific things NEET with identical Houses in groups of 3 in this type of way which the atomic mass of the center factor was approximately the same as the average atomic masses of the 1st and 3rd things.
Both equally ionisation enthalpy and I electron achieve enthalpy are frequently expressed with regard to the bottom point out ofan atom only.
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Dilemma one. What is the cause of periodicity in properties of the elements? Explain with two examples.
Remedy: Octet rule: Atoms of elements Incorporate with each other as a way to finish their respective octets In order to accumulate the steady gasoline configuration.
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In predicting the nature of the molecules: Molecules with particular dipole times are polar in nature and people of zero dipole moments are non-polar in character.
Reply: When hydrogen is connected with hugely electronegative aspect inside of a covalent bonding the electrons in the covalent bond are shifted toward the greater electronegative atom.