Search
Question: In a zero-order reaction, the rate of reaction is independent of which of the following?Op..
Question: Which of the following factors does NOT affect the rate of a chemical reaction?Options: Co..
Question: What is the unit of the rate constant for a second-order reaction?Options: mol/L·sL²/mol²·..
Question: What is the purpose of an associative entity in an ER model?Options: To represent a many-t..
Question: In an ER model, what does a circle represent?Options: An entityAn attributeA relationshipA..
Question: What is the main advantage of using an ER model?Options: It is easy to implement in SQLIt ..
Question: Which of the following is an example of a weak entity?Options: A customer with a unique ID..
Question: What does a primary key do in an ER model?Options: Links two entitiesIdentifies a unique r..
Question: Which of the following has a seesaw shape according to VSEPR theory?Options: SF4PCl5XeF2NH..
Question: What is the molecular shape of a molecule with the formula AX3E?Options: Trigonal planarTe..
Question: Which of the following has a square planar geometry?Options: XeF4SF4ClF3BrF5Correct Answer..
Question: What is the molecular geometry of NH3 according to VSEPR theory?Options: Trigonal planarTe..
Question: Which of the following has a linear molecular geometry?Options: BeCl2NH3H2OCH4Correct Answ..
Question: What is the shape of the molecule with the formula AX2E2 according to VSEPR theory?Options..
Question: Which of the following species has a trigonal bipyramidal geometry?Options: PCl5BF3H2ONH4+..
Question: What is the electron pair geometry of SF6?Options: TetrahedralTrigonal bipyramidalOctahedr..
Question: Which of the following molecules has a bent shape according to VSEPR theory?Options: CO2H2..
Question: What is the molecular geometry of CH4 according to VSEPR theory?Options: LinearTrigonal pl..
Question: Which of the following statements is true regarding the energy levels of molecular orbital..
Question: What is the molecular orbital configuration of O2?Options: (σ1s)²(σ*1s)²(σ2s)²(σ*2s)²(σ2p)..
Question: Which of the following molecules is isoelectronic with N2?Options: O2C2F2NeCorrect Answer:..
Question: In the molecular orbital theory, which of the following pairs of orbitals can combine to f..
Question: Which of the following diatomic molecules has the highest bond order?Options: N2O2F2He2Cor..
Question: Which of the following statements about molecular orbitals is correct?Options: Molecular o..
Question: What is the bond order of the molecule CO?Options: 1230.5Correct Answer: 3Solution: CO has..
Question: In which of the following species does the molecular orbital configuration show a paramagn..
Question: Which of the following molecules has a bond order of 2?Options: O2N2C2F2Correct Answer: N2..
Question: What is the hybridization of the phosphorus atom in PCl5?Options: spsp2sp3d2sp3Correct Ans..
Question: Which of the following species has a tetrahedral shape?Options: CH4C2H4NH3H2OCorrect Answe..
Question: What is the hybridization of the carbon atom in acetylene (C2H2)?Options: spsp2sp3dsp3Corr..
