Search
Question: If the rate of a reaction doubles when the temperature is increased by 10°C, what is the a..
Question: Which of the following statements is true for an endothermic reaction?Options: ΔH is negat..
Question: In a zero-order reaction, if the rate constant k is 5 mol/L/s, how long will it take for t..
Question: For a first-order reaction, if the half-life is 10 minutes, what will be the half-life if ..
Question: Which of the following has a tetrahedral shape?Options: CH4C2H4NH3H2OCorrect Answer: CH4So..
Question: In which of the following compounds does the central atom exhibit dsp3 hybridization?Optio..
Question: Which of the following has the highest bond order?Options: N2O2F2C2Correct Answer: N2Solut..
Question: For which of the following pairs of molecules is the bond order the same?Options: N2 and C..
Question: What is the bond order of the molecule B2?Options: 1230Correct Answer: 1Solution: B2 has a..
Question: What volume of 1 M NaOH solution is required to completely neutralize 0.5 moles of HCl?Opt..
Question: How many grams of KCl are needed to prepare 0.5 moles of KCl solution?Options: 37.5 g74.5 ..
Question: In the reaction 3A + 2B → 4C, if 6 moles of A are used, how many moles of C will be produc..
Question: Which of the following has sp hybridization?Options: C2H2C2H4CH4NH3Correct Answer: C2H2Sol..
Question: Identify the hybridization of the central atom in NH3.Options: spsp2sp3dsp3Correct Answer:..
Question: How many moles are in 1.5 kg of KCl?Options: 1020155Correct Answer: 20Solution: Molar mass..
Question: How many moles are in 88 grams of CH4?Options: 1234Correct Answer: 2Solution: Molar mass o..
Question: What type of intermolecular force is present in H2O?Options: London dispersion forcesDipol..
Question: Which of the following statements is true about ionic compounds?Options: They have low mel..
Question: Which of the following compounds is an example of a polar covalent bond?Options: Cl2HClNaC..
Question: Which of the following is a unit of pressure?Options: PascalJouleCoulombLiterCorrect Answe..
Question: What is the molar mass of the product formed when 1 mole of Mg reacts with 2 moles of HCl?..
Question: In the reaction 2Fe + 3Cl2 → 2FeCl3, how many grams of FeCl3 can be produced from 4 moles ..
Question: What is the value of l for a d orbital?Options: 0123Correct Answer: 2Solution: For d orbit..
Question: In which of the following orbitals would an electron have the highest energy?Options: 1s2s..
Question: Which of the following elements has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?O..
Question: Which of the following quantum numbers can never be negative?Options: nlm_lsCorrect Answer..
Question: What is the maximum number of electrons that can be accommodated in the n=2 shell?Options:..
Question: What is the total number of orbitals in the n=3 energy level?Options: 36912Correct Answer:..
Question: What is the principal quantum number for an electron in the 5d subshell?Options: 3456Corre..
Question: Which of the following has the electronic configuration of [Kr] 5s2 4d10 5p5?Options: Iodi..
