Molecular orbitals are formed by the overlap of atomic orbitals . Two atomic orbitals combine to form two molecular orbitals, called Bonding Molecular Orbital (BMO) and Anti - Bonding Molecular Orbital (ABMO). Different atomic orbitals of one atom combine with those atomic orbitals of the second atom which have comparable energles and proper orientationFurther, if overlapping is head on, the molecular orbitals is called 'sigma' and if the overlap is lateral, the molecular orbital is called 'pi' . The molecular orbitals are filled with electrons following the same rules as followed for filling of atomic orbitals . However, the order of filling in not the same for of the most important parameter to compare a number of their characteristics Which one of the following has maximum number of nodal planes ?

Molecular orbitals are formed by the overlap of atomic orbitals . Two

1.	Molecular orbitals are formed by the overlap of atomic orbitals . Two atomic orbitals combine to form two molecular orbitals, called Bonding Molecular Orbital (BMO) and Anti - Bonding Molecular Orbital (ABMO). Different atomic orbitals of one atom combine with those atomic orbitals of the second atom which have comparable energles and proper orientationFurther, if overlapping is head on, the molecular orbitals is called 'sigma' and if the overlap is lateral, the molecular orbital is called 'pi' . The molecular orbitals are filled with electrons following the same rules as followed for filling of atomic orbitals . However, the order of filling in not the same for of the most important parameter to compare a number of their characteristics Which one of the following has maximum number of nodal planes ?
Answer» `sigma_(1s)^()` `sigma_(2p_(Z))^()` `pi_(2p_(x))` `pi_(2p_(y))^()` Solution :`SIGMA^() 1s , sigma _(2p_(z))^()and pi_(2p_(x))`have ONE nodal plane each WHEREAS` pi_(2p_(y))^()`has TWO nodal planes