Chemistry Nios plus two Welcome to your Chemistry Nios plus two Total Questions: 18 Name Mobile No: 1. Find the molecule with the maximum dipole moment CH4 CO2 NF3 5. NH3 None Hint 2. One mole of which of the following has the highest entropy? Mercury Hydrogen Gas Liquid Nitrogen Diamond None Hint 3. The pH of a 10-10 M NaOH solution is nearest to 7 -10 10 4 None Hint 4. Third law of thermodynamics provides a method to evaluate which property? Absolute Energy Absolute Enthalpy Absolute Entropy Absolute Free Energy None Hint 5. The orientation of atomic orbital’s depends on their Magnetic quantum number Azimuthal quantum number Spin quantum number Principal quantum number 5 None Hint 6. In the manufacture of sulphuric acid by contact process Tyndall box is used to Remove impurities Convert SO2 and SO3 Test the presence of dust particles Filter dust particles None Hint 7. H2S is more acidic than H2O because H — O bond dissociation energy is less also compared to H — S bond. Atomic number of Sulphur is higher than oxygen. H — S bond dissociation energy is less as compared to H — O bond. Oxygen is more electronegative than Sulphur. None Hint 8. The boiling points of hydrides of group 16 are in the order None of these H2O > H2Te > H2Se > H2S H2O > H2Te > H2S > H2Se H2O > H2S > H2Se > H2Te None Hint 9. Maximum number of electrons in a subshell can be 4l – 2 4l + 2 2n2 2l + 1 4. None Hint 10. The boiling point of an azeotropic mixture of water and ethanol is less than that of water and ethanol. The mixture shows. No deviation from Raoult’s Law. That the solution is unsaturated Positive deviation from Raoult’s Law. Negative deviation from Raoult’s Law. None Hint 11. What is the pH of a 0.10 M solution of barium hydroxide, Ba (OH)2? 11.31 13.30 None of these 11.7 None Hint 12. Which of the following aqueous solutions will have highest pH? Na2CO3 CH3COONa NH4Cl NaCl None Hint 13. A gas X has Cp and CV ratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms 1.2 × 1023 6.02 × 1023 2.01 × 102 3.01 × 1023 None Hint 14. MX6 is a molecule with octahedral geometry. How many X – M – X bonds are at 180°? Two Three Four Six None Hint 15. H2S is more acidic than H2O because. Oxygen is more electronegative than sulphur. H — S bond dissociation energy is less as compared to H — O bond. H — O bond dissociation energy is less also compared to H — S bond. Atomic number of sulphur is higher than oxygen. None Hint 16. Which of the following oxides is not expected to react with sodium hydroxide? CaO B2O3 5 SiO2 Beo None Hint 17. Molecules are held together in a crystal by Electrostatic attraction Van der Waal’s attraction Dipole-dipole attraction Hydrogen bond None Hint 18. Which has the lowest boiling point at 1 atm pressure? 0.1 M A1Cl3 0.1 M CaCl2 0.1 M Urea 0.1 M KCl None Hint Time's up Share: admin Previous post Hindi Nios Plus Two PQ - II June 21, 2025 Next post English Nios Plus Two June 23, 2025
