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Chemistry · 2020 · 5 Sep · Shift 2

18 questions from this JEE Main paper

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2020 · 5 Sep · Shift 2
Chemistry

Chemistry · 2020 · 5 Sep · Shift 2

18 questions from this JEE Main paper

Redox Reactions1 questions Thermodynamics2 questions Biomolecules1 questions Coordination Compounds2 questions Chemical Equilibrium1 questions Basics of Organic Chemistry2 questions Periodic Table and Periodicity1 questions Alcohols Phenols and Ethers1 questions Compounds Containing Nitrogen1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Chemical Bonding and Molecular Structure1 questions Structure of Atom1 questions P Block Elements1 questions Haloalkanes and Haloarenes1 questions

Q1.The volume, in mL, of 0.02 M $K_{2} C r_{2} O_{7}$ solution required to react with 0.288 g of ferrous oxalate in acidic medium is . (Molar mass of Fe = 56 g mol–1)
Chemistry · Redox Reactions · Numerical
Q2.For a dimerization reaction, 2A(g) $\to$ $A_{2}$ (g) at 298 K, $Δ$ Uo = –20 kJ mol–1, $Δ$ So = –30 JK–1 mol–1, then the $Δ$ Go will be J.
Chemistry · Thermodynamics · Numerical
Q3.The number of chiral carbons present in sucrose is .
Chemistry · Biomolecules · Numerical
Q4.Considering that $Δ$ 0 > P, the magnetic moment (in BM) of $[R u (H_{2} O)_{6}]^{2 +}$ would be .
Chemistry · Coordination Compounds · Numerical
Q5.For a reaction X + Y ⇌ 2Z , 1.0 mol of X, 1.5 mol of Y and 0.5 mol of Z were taken in a 1 L vessel and allowed to react. At equilibrium, the concentration of Z was 1.0 mol L–1. The equilibrium constant of reaction is $\frac{x}{15}$ . The…
Chemistry · Chemical Equilibrium · Numerical
Q6.The increasing order of boiling points of the following compounds is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q7.The correct order of the ionic radii of $O^{2 -}$ , $N^{3 -}$ , $F^{-}$ , $M g^{2 +}$ , $N a^{+}$ and $A l^{3 +}$ is :
Chemistry · Periodic Table and Periodicity · MCQ
Q8.Consider the complex ions, trans- $[C o (e n)_{2} C l_{2}]^{+}$ (A) and cis- $[C o (e n)_{2} C l_{2}]^{+}$ (B). The correct statement regarding them is :
Chemistry · Coordination Compounds · MCQ
Q9.Lattice enthalpy and enthalpy of solution of NaCl are 788 kJ mol–1, and 4 kJ mol–1, respectively. The hydration enthalpy of NaCl is :
Chemistry · Thermodynamics · MCQ
Q10.Among the following compounds, geometrical isomerism is exhibited by :
Chemistry · Basics of Organic Chemistry · Multiple correct
Q11.The major product of the following reaction is : Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q12.The final major product of the following reaction is : Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q13.The variation of molar conductivity with concentration of an electrolyte (X) in aqueous solution is shown in the given figure. The electrolyte X is : Includes diagram
Chemistry · Electrochemistry · MCQ
Q14.The rate constant (k) of a reaction is measured at differenct temperatures (T), and the data are plotted in the given figure. The activation energy of the reaction in kJ mol–1 is : (R is gas constant) Includes diagram
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q15.The compound that has the largest H–M–H bond angle (M = N, O, S, C) is :
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q16.The correct statement about probability density (except at infinite distance from nucleus) is :
Chemistry · Structure of Atom · MCQ
Q17.Boron and silicon of very high purity can be obtained through :
Chemistry · P Block Elements · MCQ
Q18.The major product formed in the following reaction is : $C H_{3} C H = C H C H (C H_{3})_{2}$ $H B r$
Chemistry · Haloalkanes and Haloarenes · MCQ