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#1 Class 11 Chemistry Structure of Atom 2025 Mcq 1M MP BOARD
The Hamiltonian operator appears in the equation given by -
A. Bohr
B. Heisenberg
C. Schrodinger
D. de Broglie
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#2 Class 11 Chemistry Some Basic Concepts of Chemistry 2025 Mcq 1M MP BOARD
The prefix micro stands for -
A. $10^{-6}$
B. $10^{-3}$
C. $10^{6}$
D. $10^{-9}$
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#3 Class 11 Chemistry Hydrocarbons 2025 Short 1M MP BOARD
State true or false: Benzene was discovered by Kekule.
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#4 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2025 Short 1M MP BOARD
State true or false: The three dimensional representation of organic compounds on paper can be drawn by the wedge and dash formula.
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#5 Class 11 Chemistry Redox Reactions 2025 Short 1M MP BOARD
State true or false: The oxidation number of Carbon in the $C_3O_2$ molecule is $\dfrac{4}{3}$.
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#6 Class 11 Chemistry Equilibrium 2025 Short 1M MP BOARD
State true or false: $H_2O_{(l)} \rightleftharpoons H_2O_{(g)}$ is a heterogeneous equilibrium.
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#7 Class 11 Chemistry Classification of Elements and Periodicity in Properties 2025 Short 1M MP BOARD
State true or false: A plot of $\sqrt{\nu}$ (square root of the frequency of X-rays emitted) against atomic mass gives a straight line.
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#8 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2025 Short 1M MP BOARD
The mixture of chloroform and aniline is separated by the technique of ____ .
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#9 Class 11 Chemistry Redox Reactions 2025 Short 1M MP BOARD
The oxidation number of the $P_4$ molecule is ____ .
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#10 Class 11 Chemistry Chemical Bonding and Molecular Structure 2025 Short 1M MP BOARD
____ hybridisation is found in the water molecule.
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#11 Class 11 Chemistry Some Basic Concepts of Chemistry 2025 Short 1M MP BOARD
The SI unit of Luminous intensity is ____ .
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#12 Class 11 Chemistry Chemical Bonding and Molecular Structure 2025 Mcq 1M MP BOARD
The hybridization state of the carbon atom in benzene is -
A. $sp^3$
B. $sp^2$
C. $dsp^2$
D. $sp$
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#13 Class 11 Chemistry Chemical Bonding and Molecular Structure 2025 Mcq 1M MP BOARD
The number of sigma and pi bonds in Phenol is -
A. $13\sigma,\ 3\pi$
B. $13\sigma,\ 8\pi$
C. $6\sigma,\ 8\pi$
D. $6\sigma,\ 3\pi$
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#14 Class 11 Chemistry Hydrocarbons 2026 Long 4M MP BOARD
Complete the following chemical equations - $C_6H_6 + CH_3COCl \xrightarrow{\text{Anhydrous } AlCl_3} \underline{\quad} + HCl$ $C_6H_6 + 3H_2 \xrightarrow[\Delta]{Ni} \underline{\quad}$ $C_6H_6 + CH_3Cl \xrightarrow{\...
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#15 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2026 Short 4M MP BOARD
Write the structural formula based on the IUPAC name of the following organic compounds - (i) 2,5-dimethylheptane (ii) 1,1-dichloroethanol (iii) 1,3-butadiene (iv) 2-bromo-3-chloro-4-methylpentane
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#16 Class 11 Chemistry Chemical Bonding and Molecular Structure 2026 Long 4M MP BOARD
Explain hybridisation in the $SF_6$ molecule.
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#17 Class 11 Chemistry Chemical Bonding and Molecular Structure 2026 Long 4M MP BOARD
Calculate the bond order of the $N_2$ molecule by drawing its molecular orbital energy level diagram.
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#18 Class 11 Chemistry Structure of Atom 2026 Short 4M MP BOARD
Prove that $\lambda \propto \dfrac{1}{P}$, where $P$ is the momentum.
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#19 Class 11 Chemistry Structure of Atom 2026 Short 4M MP BOARD
Write all four quantum numbers of the last electron of the following elements - C, Na, Al, Cl.
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#20 Class 11 Chemistry Equilibrium 2026 Short 3M MP BOARD
Prove that $K_P = K_C(RT)^{\Delta n}$ for a homogeneous gaseous reaction.
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