0% Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chemistry Class 11 This Quiz Contains a Set of 10 Questions. Passing cut-off is 60%. To Start the Quiz... Click on the Start Button. All the Best. 1 / 10 No bond is purely ionic or purely covalent. True False 2 / 10 4 g of NaOH dissolved in 100 ml solution. The molarity of the solution is: 1 M 10 M 0.1 M 4 M 3 / 10 The element among the following has more negative electron gain enthalpy is F O Cl S 4 / 10 6.02 x 1020 molecules of urea are present in 100 mL of its solution. The concentration of the solution is 0.02 M 0.01 M 0.001 M 0.1 M 5 / 10 The oxidation state of 'S' in KAl(SO4)2 .12H2O is: -2 -1 2 +6 6 / 10 Isomers of a compound must have : Same physical properties Same chemical properties Same structural properties Same molecular weight 7 / 10 The magnetic quantum number of an atom is related to the: size of the orbital spin angular momentum orbital angular momentum orientation of the orbital in space 8 / 10 The methyl group in the benzene ring is: Ortho directing Ortho and meta directing Para directing Ortho and para directing 9 / 10 For which of the following reactions would the ∆H° for the reaction be labeled ∆Hf°? Al(s) + 3/2 H2 (g) + 3/2 O2 (g) → Al(OH)3(s) PCl3 (g) + 1/2 O2 (g) → POCl3 (g) 1/2 N2O (g) + 1/4 O2 (g) → NO (g) CaO(s) + SO2 (g) → CaSO3(s) 10 / 10 Alkanes mainly undergo substitution reactions using the free-radical mechanism. True False Your score is 0% Restart quiz
