QUESTION #30 Molecular Orbital Theory

Which of the following linear combination of atomic orbitals will lead to formation of molecular orbitals in homonuclear diatomic molecules [internuclear axis in z-direction]? A. 2p_z$2p_{z}$ and 2p_x$2p_{x}$ B. 2s and 2p_x$2p_{x}$ C. 3d_xy$3d_{xy}$ and 3d_x^2-y^2$3d_{x^{2}-y^{2}}$ D. 2s and 2p_z$2p_{z}$ E. 2p_z$2p_{z}$ and 3d_x^2-y^2$3d_{x^{2}-y^{2}}$ Choose the correct answer from the options given below:

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QUESTION #43 Hybridization and Molecular Geometry

Which of the following statement is true with respect to mathrmH_2mathrmO, mathrmNH_3$\mathrm{H}_2\mathrm{O}, \mathrm{NH}_3$ and mathrmCH_4$\mathrm{CH}_4$ ? A. The central atoms of all the molecules are mathfraksp^3$\mathfrak{sp}^3$ hybridized. B. The H-O-H, H-N-H and H-C-H angles in the above molecules are 104.5^circ$104.5^{\circ}$ , 107.5^circ$107.5^{\circ}$ and 109.5^circ$109.5^{\circ}$ respectively. C. The increasing order of dipole moment is mathrmCH_4 < mathrmNH_3 < mathrmH_2mathrmO$\mathrm{CH}_4 < \mathrm{NH}_3 < \mathrm{H}_2\mathrm{O}$ . D. Both mathrmH_2mathrmO$\mathrm{H}_2\mathrm{O}$ and mathrmNH_3$\mathrm{NH}_3$ are Lewis acids and mathrmCH_4$\mathrm{CH}_4$ is a Lewis base E. A solution of mathrmNH_3$\mathrm{NH}_3$ in mathrmH_2mathrmO$\mathrm{H}_2\mathrm{O}$ is basic. In this solution mathrmNH_3$\mathrm{NH}_3$ and mathrmH_2mathrmO$\mathrm{H}_2\mathrm{O}$ act as Lowry-Bronsted acid and base respectively. Choose the correct answer from the options given below:

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