Chemistry, Class 11th – The Madhya Pradesh School Education Department’s Class 9th and 11th annual examinations have begun on February 23rd. These examinations are conducted on the same pattern as the board’s Class 10th and 12th examinations. Question papers for Class 9th and 11th exams are prepared at the state level and made available to students through examination centers on exam day. Forty percent of all question papers are objective-type, carrying 1 mark. Students in Class 9th and 11th should prepare thoroughly for objective-type questions.
These can not only lead to good marks in the exam but also help them pass easily. This post contains important questions for the upcoming Class 11 Chemistry annual examination, and a self-test based on 50 objective questions is provided at the end of the post.
MP BOARD 2026- Objective Question Based Self Test – Chemistry Class 11th
Chemistry Class 11 – Important Questions for Annual Exam 2026

Important Questions
Q.1 Write any two differences between molarity and molality.
Q.2 Write the law of indestructibility of matter.
Q.3 ce floats on water, why?
Q.4 Hard water does not foam, why?
Q.5 Write the full names of BOD and COD.
Q.6 Explain the concept of hybridization with an example.
Q.7 Derivate the ideal gas equation.
Q.8 Write Dalton’s partial pressure law.
Q.9 Write three differences between alkali metals and alkaline earth metals.
Q.10 Write the names and formulas of the following compounds:
Q.11 Baking soda (b) Caustic soda (c) Common salt
Q.12 What are quantum numbers? Write their types and uses.
Q.13 Write the diagonal relationship with examples.
Q.14 Why does the first member of each group exhibit different behavior within its group?
Q.15 Define pH. Find the pH of a soft drink if its hydrogen ion concentration is 10-3 M. Also state its nature.
Q.16 What are buffer solutions? Write the characteristics of a buffer solution.
Q.17 An organic compound has C = 40%, O = 53.3%, and H = 6.66%. If the vapor density of the compound is 30, find the molecular formula of the compound.
Q.18 Write the formulas and IUPAC names of the following organic compounds: (a) methyl alcohol (b) formaldehyde (c) acetone (d) chloroform
Q.19 Write the first law of thermodynamics and establish its mathematical expression.
Q.20 Illustrate Hess’s law with examples.
Q.21 Explain the difference between oxidation and reduction on five points.
Q.22 Find the oxidation number of the underlined elements: (a) KMnO4 (b) K2Cr2O7 (c) H2SO4 (d) NH (e) PO4
Q.23 Write a note on electronegativity.
Q.24 Write a note on freon.
Q.25 Write the Wurtz reaction with a chemical equation.
Q.26 Write the Kolbe reaction with a chemical equation.
Q.27 Write Markonikoff’s law with a suitable example.
Q.28 Write the law of constant proportions.
Q.29 Give the number of significant figures for the following: (i) 126.000 (ii) 208 (iii) 0.0025 (iv) 5005
Q.30 Write the names and symbols of two isotopes of hydrogen.
Q.31 What is the reason for the permanent hardness of water?
Q.32 Define the bond order. Calculate the bond order of the O2 molecule.
Q.33 Explain sp3 hybridization in H2O.
Q.34 Write two uses of the following: Calcium hydroxide
Q.35 Write two uses of the following: Plaster of Paris
Q.36 Write two uses of the following: Calcium carbonate
Q.37 Compare alkali metals and alkaline earth metals on the following points: (i) Reaction with N2
(ii) Effect of heat on carbonates
(iii) Solubility of sulfates in water
MP BOARD 2026- Objective Question Based Self Test – Chemistry Class 11th
Q.38 Write any four differences between an orbital and an orbital.
Q.39 Calculate the mass of a photon with a wavelength of 3.6 A.
Q.40 What do you understand by ionization energy? Explain the factors affecting it.
Q.41 Write the utility of Mendeleev’s periodic table.
Q.42 Write the first law of thermodynamics and establish an expression.
Q.43 Distinguish between reversible and irreversible processes.
Q.44 Define Brønsted-Lowry acids and bases and give examples.
Q.45 Define buffer solutions and write two uses.
Q.46 Define the pH scale and write two applications.
Q.47 The hydrogen ion concentration in a sample of beverage is 3.8×10–3 M. What would its pH be? (log 3.8 = 0.58)
Q.48 What is an inductive effect? ​​Explain its types with examples.
Q.49 Write the structural formulas of the following compounds: (i) 2-propanone (ii) methanoic acid (iii) 2-butanol (iv) 2,2-dimethyl propane
Q.50 Find the oxidation number in the following: (a) S in H2S2O7 (b) Mn in K2MnO4 (c) P in NaH2PO4
Q.51 In the following reaction, identify which is being oxidized and which is being reduced: (a) H2S(g) + Cl2(g) → 2HCl (g) + S(s) (b) 3Fe3O4(s) + 8Al(s) → 9Fe(s) + 4Al2O3(s)
Q.52 Write the structural formulas and IUPAC names of the various structural isomers of the corresponding alkenes of C5H10.
Q.53 How to obtain the following (write equations only) – (1) Ethanol from acetylene (2) 2-bromopropane from propene (3) Polythene from ethylene (4) Benzene from sodium benzoate (5) Cyclohexane from benzene
MP BOARD 2026- Objective Question Based Self Test – Chemistry Class 11th


