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Chemistry · 2022 · 28 Jul · Shift 1

22 questions from this JEE Main paper

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2022 · 28 Jul · Shift 1
Chemistry

Chemistry · 2022 · 28 Jul · Shift 1

22 questions from this JEE Main paper

Structure of Atom1 questions Thermodynamics1 questions Electrochemistry1 questions Periodic Table and Periodicity1 questions D and F Block Elements3 questions Basics of Organic Chemistry2 questions Alcohols Phenols and Ethers2 questions Compounds Containing Nitrogen1 questions Biomolecules1 questions Chemical Kinetics and Nuclear Chemistry2 questions Some Basic Concepts of Chemistry2 questions Chemical Bonding and Molecular Structure2 questions Solutions1 questions Ionic Equilibrium1 questions Coordination Compounds1 questions

Q1.Identify the incorrect statement from the following.
Chemistry · Structure of Atom · MCQ
Q2.Which of the following relation is not correct?
Chemistry · Thermodynamics · MCQ
Q3.Match List - I with List - II. Choose the correct answer from the options given below: Includes table
Chemistry · Electrochemistry · MCQ
Q4.In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical? (A) Rb and Cs (B) Na and K (C) Ar and Kr (D) I and At Choose the correct answer from the options given below :
Chemistry · Periodic Table and Periodicity · MCQ
Q5.Match List - I with List - II, match the gas evolved during each reaction. Choose the correct answer from the options given below : Includes table
Chemistry · D and F Block Elements · MCQ
Q6.Which of the following has least tendency to liberate $H_{2}$ from mineral acids?
Chemistry · D and F Block Elements · MCQ
Q7.Match List - I with List - II. Choose the correct answer from the options given below : Includes table Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q8.Choose the correct option for the following reactions. Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q9.Among the following marked proton of which compound shows lowest $pK_{a}$ value?
Chemistry · Basics of Organic Chemistry · MCQ
Q10.Identify the major products A and B for the below given reaction sequence. Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q11.Identify the correct statement for the below given transformation. Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q12.For the below given cyclic hemiacetal (X), the correct pyranose structure is : Includes diagram
Chemistry · Biomolecules · MCQ
Q13.For kinetic study of the reaction of iodide ion with $H_{2} O_{2}$ at room temperature : (A) Always use freshly prepared starch solution. (B) Always keep the concentration of sodium thiosulphate solution less than that of…
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q14.In the given reaction, $X + Y + 3 Z ⇆ X Y Z_{3}$ if one mole of each of $X$ and $Y$ with $Z$ of $Z$ gives compound $X Y Z_{3}$ . (Given : Atomic masses of $Z$ and $Z$ are 10, 20 and 30 amu, respectively.) The…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q15.The number of paramagnetic species among the following is . $B_{2}, Li_{2}, C_{2}, C_{2}^{-}, O_{2}^{2 -}, O_{2}^{+}$ and $He_{2}^{+}$
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q16. $10.2 g$ of acetic acid was contaminated with $(C_{6} H_{8} O_{6})$ ascorbic acid $(C_{6} H_{8} O_{6})$ to lower down its freezing point by $(x \times 1 0^{- 1})^{\circ} C$ .…
Chemistry · Solutions · Numerical
Q17. $K_{a}$ for butyric acid $(C_{3} H_{7} COOH)$ is $2 \times 1 0^{- 5}$ . The $pH$ of $0.2 M$ solution of butyric acid is $\times 1 0^{- 1}$ .…
Chemistry · Ionic Equilibrium · Numerical
Q18.For the given first order reaction $A \to B$ the half life of the reaction is $2.0 min$ . The ratio of the initial concentration of reactant to the concentration of reactant at time $2.0 min$ …
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q19.The number of interhalogens from the following having square pyramidal structure is : $ClF_{3}, IF_{7}, BrF_{5}, BrF_{3}, I_{2} Cl_{6}, IF_{5}, ClF, ClF_{5}$
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q20.The disproportionation of $MnO_{4}^{2 -}$ in acidic medium resulted in the formation of two manganese compounds $A$ and $B$ . If the oxidation state of $Mn$ in $B$ is smaller than that of A, then…
Chemistry · D and F Block Elements · Numerical
Q21.Total number of relatively more stable isomer(s) possible for octahedral complex $[Cu (en)_{2} (SCN)_{2}]$ will be .
Chemistry · Coordination Compounds · Numerical
Q22.On complete combustion of $C, H$ of an organic compound containing $O$ and $O$ , $CO_{2}$ of $CO_{2}$ and $H_{2} O$ of $H_{2} O$ was produced. The…
Chemistry · Some Basic Concepts of Chemistry · Numerical