7) The sp\'d atomic hybrid orbial set electron domains. A) 2 ?) ? D) 5 6 8) The
ID: 637113 • Letter: 7
Question
7) The sp'd atomic hybrid orbial set electron domains. A) 2 ?) ? D) 5 6 8) The formula of nitrobenzene is CaH NO. The molecular weight of this compound is A) 3.06 B) 107.11 C) 43.03 D) 123.11 E) 109.10 9)Which of the folloigisTRUE regarding a precipitadion reaction. regarding a precipitation reaction A) Both products must be soluble in water B) At least one of the products will be insoluble in water C) Spectator ions are always included in the reaction D) Electrons are gained and lost E) H- ions are transferred from one molecule to another ?? corresponds to an process A) negative, endothermic B) negative, exothermic D) zero, exothermic E) zero, endothermic TRUERALSE (3points each). Write TRUE' if the statement is true and FALSE' if the statement is use "T" or "F. 11) The most stable resonance structure is the one in which there is a maximum number of formal charges. 12) In the AXE notation, A represents how many atoms are around the central atom. 9 Hybridixation of an arom with only two electron pairs is sp. of an atom with only two electron pairs is amount of product that can be formed in The maximum a chemical reaction is the theoretical yield. athesis reactions are also referred to as double replacement reactions. ount of heat necessary to raise the temperature of a system is an intensive propertyExplanation / Answer
The Sp3d2 atomic hybrid orbital set accomodates 6 electron domains.
Electron domains are regions where valence electrons are present. These electrons are in the form of non bonding pair of electrons or bonding pair of electrons. The electron domain geometry of a molecule describes the arrengment of the electron domains in the molecule.
The number of electron domains represents by the set of hybrid orbitals which can be found by adding the number of atomic orbitals present in the set.
In Sp3d2 we have one "S" , three "p" and two "d" orbitals, thus 1 + 3 + 2 = 6 orbitals present that makes 6 electron domains available. Answer is option E.
Molecular formula of nitrobenzene is C6H5NO2, the molecular weight is 123.11
For determining molecular weight we have to add individual weight of each atom
Weight of carbon is 12
Weight of hydrogen is 1
Weight of Nitrogen is 14
Weight of oxygen is 16
Carbon = 12X6 = 72 (since there are 6 carbon atoms)
Hydrogen = 1X5 = 5 (Since there are 5 hydrogen atoms)
Nitrogen = 14 (One nitrogen atom)
Oxygen = 16X2 = 32 (Since there are 2 oxygen atoms)
Therefore, 72 + 5 + 14 + 32 = 123. Answer is option D.
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