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#1 Class 11 Chemistry States of Matter 2024 Short 1M MP BOARD
What is the effect of increasing temperature on the solubility of a gas in a liquid?
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#2 Class 11 Chemistry Classification of Elements and Periodicity in Properties 2024 Short 1M MP BOARD
Write the name of the most electronegative element.
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#3 Class 11 Chemistry Hydrocarbons 2024 Mcq 1M MP BOARD
By which of the following reactions can methane NOT be prepared?
A. Decarboxylation of sodium acetate
B. Wurtz reaction
C. Hydrogenation of ethyne
D. Hydrolysis of aluminium carbide
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#4 Class 11 Chemistry Hydrocarbons 2024 Mcq 1M MP BOARD
Which method can be used for the preparation of alkane, alkene and alkyne?
A. Wurtz reaction
B. Kolbe electrolysis method
C. Kjeldahls method
D. Lassaignes test
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#5 Class 11 Chemistry Thermodynamics 2024 Mcq 1M MP BOARD
$\Delta G$ represents the change in -
A. Gibbs free energy
B. Enthalpy
C. Entropy
D. Internal energy
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#6 Class 11 Chemistry Hydrocarbons 2024 Short 1M MP BOARD
State true or false: Arene compounds do not have a benzene ring.
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#7 Class 11 Chemistry Chemical Bonding and Molecular Structure 2024 Short 1M MP BOARD
State true or false: Valence Bond Theory was proposed by Robert Mulliken.
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#8 Class 11 Chemistry Hydrocarbons 2024 Short 1M MP BOARD
The full form of CNG is ____ .
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#9 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2024 Short 1M MP BOARD
In the reaction $Na_2S + (CH_3COO)_2Pb \to PbS\downarrow + 2CH_3COONa$, the colour of the $PbS$ precipitate is ____ .
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#10 Class 11 Chemistry Thermodynamics 2024 Short 1M MP BOARD
The value of combustion energy $\Delta H$ is always ____ .
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#11 Class 11 Chemistry Structure of Atom 2024 Short 1M MP BOARD
For a p-orbital with principal quantum number $n = 3$, the value of $l$ will be ____ .
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#12 Class 11 Chemistry Some Basic Concepts of Chemistry 2024 Short 1M MP BOARD
12 gm of carbon has ____ number of atoms.
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#13 Class 11 Chemistry Hydrocarbons 2024 Mcq 1M MP BOARD
The organic compound $C_3H_4$ is related to which unsaturated hydrocarbon?
A. Alkane
B. Alkene
C. Alkyne
D. Arene
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#14 Class 11 Chemistry The p-Block Elements 2024 Mcq 1M MP BOARD
The valency of carbon in diamond is -
A. 0
B. 1
C. 4
D. 2
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#15 Class 11 Chemistry Thermodynamics 2024 Mcq 1M MP BOARD
The value of the neutralization enthalpy of a strong acid and a strong base is -
A. $+57.32$ kJ/mol
B. $+13.7$ kJ/mol
C. $-57.32$ kJ/mol
D. $-13.7$ kJ/mol
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#16 Class 11 Chemistry Chemical Bonding and Molecular Structure 2024 Mcq 1M MP BOARD
A sigma bond is NOT formed by the overlapping of -
A. s-s
B. s-p
C. p-p axial
D. p-p sidewise
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#17 Class 11 Chemistry Structure of Atom 2024 Mcq 1M MP BOARD
The filling of electrons in the orbitals of atoms is based on which rule?
A. Hunds Rule
B. Paulis Principle
C. Aufbau Principle
D. All of the above
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#18 Class 11 Chemistry Hydrocarbons 2026 Long 4M MP BOARD
Write the following reactions - (i) Wurtz reaction (ii) Friedel-Crafts reaction (iii) Dehalogenation (iv) Polymerization
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#19 Class 11 Chemistry Chemical Bonding and Molecular Structure 2026 Short 4M MP BOARD
Write the number of $\sigma$ and $\pi$ bonds present in the following molecules - (i) $C_6H_6$ (ii) $C_6H_{12}$ (iii) $CH_3NO_2$ (iv) $CH_2Cl_2$
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#20 Class 11 Chemistry Chemical Bonding and Molecular Structure 2026 Long 4M MP BOARD
Write any four differences between $\sigma$ and $\pi$-bonds.
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