In which of the following molecular shap...

In which of the following molecular shape `d_(z^(2))` orbital must not be involved in bonding ?

Pentagonal planar

Trigonal planar

Linear

Square planar

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In which of the following d_(z^(2)) orbital is participating in hybridisation ?

Which of the following orbital of central atom is not involved in bonding in XeO_(3) F_(2) molecule :-

Molecular orbitals are formed by the overlap of atomic orbitals. Two atomic called bonding molecular orbital (BMO) and anti - bonding molecular orbital (ABMO). Energy of anti - bonding molecular orbital (BMO) and anti - bonding molecular orbital ABMO). Energy of anti - bonding orbitals is raised above the parent atomic orbitals that have combined and the energy of the bonding orbital is lowered than the parent atomic orbitals. Energies of various molecular orbitals for elements hydrogen to nitrogen increase in the order : sigma1slt sigma^(**)1s lt sigma2sltsigma^(**)2slt(pi2p_(x)~~pi2p_(y))ltsigma2p_(z)lt(pi^(**)p2p_(x)~~pi^(**)2p_(y))ltsigma^(**)2p_(z) and for oxygen and fluorine order of energy of molecular orbitals is given as : sigma1s lt sigma^(**)1slt sigma2sltsigma^(**)2sltsigma2p_(z)lt(pi2p_(x)~=2pi2p_(y))lt(pi^(**)2p_(x)~=pi^(**)2p_(y))ltsigma^(**)2p_(z). Different atomic orbitals of one atom combine with those atomic orbitals of the second atom which have comparable energies and proper orientation. Further, if the overlapping is head on, the molecular orbital is called 'sigma', (sigma) and if the overlap is lateral, the molecular orbital is called 'pi', (pi) . The molecular orbitals are filled with electrons according to the same rules as followed for filling of atomic orbitals. However, the order for filling is not the same for all moleculas or their ions. Bond order is one of hte most important parameters to compare the strength of bonds. Which of the following molecular orbitals has maximum number of nodal planes?

Molecular orbital theory as developed by Hund and Mulliken concerns with the formation of molecular orbitals formed by linear combination of atomic orbitals. The electrons are present in these molecular orbitals. The molecular orbitals are filled. The molecular orbital configuration helps us to calculate bond order which gives information about the number of bonds present between atoms. The bond order is related to bond length and bond strength. Which of the following will have maximum number of electrons in antibonding MOs?

Which atomic orbital is always involved in sigma bonding only ?

Which of the following d-orbitals has dough-out shape ?

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