Chemistry Exam Prep
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Chemistry Exam Prep
Sample questions with model answers
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The geometry and hybridization of SF$_6$ molecule is:
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Octahedral, sp$^3$d$^2$
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The total number of electrons that can be accommodated in all the orbitals having principal quantum number n = 3 is:
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18
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If 20 g of CaCO$_3$ is treated with excess HCl, how many moles of CO$_2$ will be produced?
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0.2 mole
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The shape of H$_2$O molecule is bent because:
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Lone pair - bond pair repulsions > bond pair - bond pair repulsions
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