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Chemistry · 2023 · 1 Feb · Shift 1

21 questions from this JEE Main paper

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2023 · 1 Feb · Shift 1
Chemistry

Chemistry · 2023 · 1 Feb · Shift 1

21 questions from this JEE Main paper

Coordination Compounds3 questions D and F Block Elements1 questions Biomolecules2 questions Hydrocarbons1 questions Basics of Organic Chemistry2 questions Compounds Containing Nitrogen1 questions Alcohols Phenols and Ethers2 questions Solutions1 questions Structure of Atom1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Thermodynamics1 questions Redox Reactions1 questions Aldehydes Ketones and Carboxylic Acids1 questions Chemical Equilibrium1 questions Some Basic Concepts of Chemistry1 questions

Q1.Which of the following complex will show largest splitting of d-orbitals?
Chemistry · Coordination Compounds · MCQ
Q2.Which of the following are the example of double salt? A. $FeSO_{4} \cdot (NH_{4})_{2} SO_{4} \cdot 6 H_{2} O$ B. $CuSO_{4} \cdot 4 NH_{3} \cdot H_{2} O$ …
Chemistry · Coordination Compounds · MCQ
Q3.Highest oxidation state of Mn is exhibited in $M n_{2} O_{7}$ . The correct statements about $M n_{2} O_{7}$ are (A) Mn is tetrahedrally surrounded by oxygen atoms. (B) Mn is octahedrally surrounded by oxygen atoms. (C) Contains $M n - O - M n$ …
Chemistry · D and F Block Elements · MCQ
Q4.The correct representation in six membered pyranose form for the following sugar [X] is Includes diagram
Chemistry · Biomolecules · MCQ
Q5.But-2-yne is reacted separately with one mole of Hydrogen as shown below : A. A is more soluble than B. B. The boiling point & melting point of A are higher and lower than B respectively. C. A is more polar than B because dipole moment… Includes diagram
Chemistry · Hydrocarbons · MCQ
Q6.Resonance in carbonate ion $(CO_{3}^{2 -})$ is Which of the following is true? Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q7.Match List I with List II Choose the correct answer from the options given below : Includes table
Chemistry · Biomolecules · MCQ
Q8.In the following reaction, 'A' is Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q9.A solution of $FeC l_{3}$ when treated with $K_{4} [Fe (CN)_{6}]$ gives a prussium blue precipitate due to the formation of :
Chemistry · Coordination Compounds · MCQ
Q10.Identify the incorrect option from the following
Chemistry · Alcohols Phenols and Ethers · MCQ
Q11.Decreasing order of dehydration of the following alcohols is Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q12.25 mL of an aqueous solution of KCl was found to require 20 mL of 1 M $AgN O_{3}$ solution when titrated using $K_{2} Cr O_{4}$ as an indicator. What is the depression in freezing point of KCl solution of the given concentration? …
Chemistry · Solutions · Numerical
Q13.Electrons in a cathode ray tube have been emitted with a velocity of 1000 m s $^{- 1}$ . The number of following statements which is/are $\underline{true}$ about the emitted radiation is . Given : $h = 6 \times 1 0^{- 34} J s, m_{e} = 9 \times 1 0^{- 31} kg$ …
Chemistry · Structure of Atom · Numerical
Q14.At what pH, given half cell $Mn O_{4}^{-} (0.1 M) ∣ M n^{2 +} (0.001 M)$ will have electrode potential of 1.282 V? (Nearest Integer) Given $E_{Mn O_{4}^{-} ∣M n^{2 +}}^{o} = 1.54 V, \frac{2.303 RT}{F} = 0.059 V$ …
Chemistry · Electrochemistry · Numerical
Q15.A and B are two substances undergoing radioactive decay in a container. The half life of A is 15 min and that of B is 5 min. If the initial concentration of B is 4 times that of A and they both start decaying at the same time, how much…
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q16.At $2 5^{\circ} C$ , the enthalpy of the following processes are given : What would be the value of X for the following reaction ? (Nearest integer) $H_{2} O (g) \to H (g) + OH (g) Δ H^{\circ} = X kJ mo l^{- 1}$ … Includes table
Chemistry · Thermodynamics · Numerical
Q17.Sum of oxidation states of bromine in bromic acid and perbromic acid is .
Chemistry · Redox Reactions · Numerical
Q18.Number of isomeric compounds with molecular formula $C_{9} H_{10} O$ which (i) do not dissolve in $NaOH$ (ii) do not dissolve in $HCl$ . (iii) do not give orange precipitate with 2,4-DNP (iv) on…
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
Q19.The total number of chiral compound/s from the following is . Includes diagram
Chemistry · Basics of Organic Chemistry · Numerical
Q20.(i) $X (g) ⇌ Y (g) + Z (g) K_{p 1} = 3$ (ii) $A (g) ⇌ 2 B (g) K_{p 2} = 1$ …
Chemistry · Chemical Equilibrium · Numerical
Q21.The density of $3 M$ solution of $NaCl$ is $1.0 g mL^{- 1}$ . Molality of the solution is $\times 1 0^{- 2} m$ . (Nearest integer). Given: Molar mass of $Na$ and $Cl$ …
Chemistry · Some Basic Concepts of Chemistry · Numerical