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#1 Class 11 Chemistry Some Basic Concepts of Chemistry 2022 Short 1M MP BOARD
What will be the mass of 22.4 L of $CO_2$ at STP?
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#2 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2022 Mcq 1M MP BOARD
Which of the following shows geometrical isomerism?
A. Propene
B. But-2-ene
C. But-1-ene
D. Ethene
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#3 Class 11 Chemistry The s-Block Elements 2022 Mcq 1M MP BOARD
Alkali metals act as -
A. Strong oxidizers
B. Strong reducers
C. Neutral substances
D. Weak acids
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#4 Class 11 Chemistry Redox Reactions 2022 Mcq 1M MP BOARD
The strongest oxidizing agent among the following is -
A. Lithium
B. Fluorine
C. Sodium
D. Iodine
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#5 Class 11 Chemistry Structure of Atom 2022 Mcq 1M MP BOARD
The magnetic quantum number indicates the -
A. Orientation of orbital
B. Shape of orbital
C. Size of orbital
D. Spin of electron
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#6 Class 11 Chemistry Some Basic Concepts of Chemistry 2022 Mcq 1M MP BOARD
The Father of Modern Chemistry is -
A. Dalton
B. Lavoisier
C. Mendeleev
D. Boyle
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#7 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2022 Short 1M MP BOARD
The shape of the carbonium ion $CH_3^+$ is ____ . (Linear / Pyramidal / Planar)
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#8 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2022 Short 1M MP BOARD
In the Grignard reagent, ____ metal forms an organometallic bond. (Mg / Na / K)
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#9 Class 11 Chemistry Hydrogen 2022 Short 1M MP BOARD
____ ion will cause hardness in a water sample. ($Ca^{2+}$ / $Na^+$ / $K^+$)
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#10 Class 11 Chemistry Chemical Bonding and Molecular Structure 2022 Short 1M MP BOARD
The value of dipole moment ____ with increasing bond angle. (increase / decrease / no change)
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#11 Class 11 Chemistry Classification of Elements and Periodicity in Properties 2022 Short 1M MP BOARD
The electron affinity of fluorine is ____ than that of chlorine. (more / less / equal)
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#12 Class 11 Chemistry Organic Chemistry - Some Basic Principles and Techniques 2022 Mcq 1M MP BOARD
A free radical is -
A. Neutral in character
B. Short lived
C. Paramagnetic
D. All of the above
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#13 Class 11 Chemistry The p-Block Elements 2022 Mcq 1M MP BOARD
Carbogen is -
A. Pure carbon
B. $COCl_2$
C. $CO + CO_2$
D. $CO_2 + O_2$
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#14 Class 11 Chemistry Hydrogen 2022 Mcq 1M MP BOARD
Which of the following is used as a moderator in nuclear reactions?
A. $Cd$
B. $U$-235
C. $Pb$
D. $D_2O$
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#15 Class 11 Chemistry Equilibrium 2022 Mcq 1M MP BOARD
For the equilibrium $2HI(g) \rightleftharpoons H_2 + I_2$, which is the correct relation?
A. $K_p = K_c$
B. $K_p > K_c$
C. $K_c = 2K_p$
D. $K_p = K_c(RT)^2$
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#16 Class 11 Chemistry Thermodynamics 2022 Mcq 1M MP BOARD
The relation between Enthalpy (H), Pressure (P), Volume (V) and Internal Energy (U) is -
A. $U = H + PV$
B. $H = U + PV$
C. $H = U - PV$
D. $H = E + P + V$
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#17 Class 11 Chemistry Classification of Elements and Periodicity in Properties 2022 Mcq 1M MP BOARD
The atomic number of an element is 11. The nature of its oxide will be -
A. Acidic
B. Basic
C. Amphoteric
D. Neutral
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#18 Class 11 Chemistry Chemical Bonding and Molecular Structure 2024 Long 5M MP BOARD
What is $sp^3$ hybridisation? Why are the bond angle and shape different in $CH_4$, $NH_3$ and $H_2O$? Explain.
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#19 Class 11 Chemistry Chemical Bonding and Molecular Structure 2024 Short 5M MP BOARD
What is the total number of $\sigma$ (sigma) and $\pi$ (pi) bonds present in the following molecules? (i) $C_2H_2$ (ii) $C_2H_4$ (iii) $C_2H_6$ (iv) $CH_4$
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#20 Class 11 Chemistry Chemical Bonding and Molecular Structure 2024 Long 5M MP BOARD
Write the postulates of Valence Bond Theory. Write its limitations also.
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