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Chemistry · 2022 · 25 Jul · Shift 2

22 questions from this JEE Main paper

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2022 · 25 Jul · Shift 2
Chemistry

Chemistry · 2022 · 25 Jul · Shift 2

22 questions from this JEE Main paper

Chemical Bonding and Molecular Structure2 questions Solutions1 questions Ionic Equilibrium1 questions Electrochemistry2 questions Periodic Table and Periodicity1 questions Coordination Compounds1 questions P Block Elements1 questions Hydrocarbons1 questions Aldehydes Ketones and Carboxylic Acids2 questions Basics of Organic Chemistry3 questions Biomolecules1 questions Practical Organic Chemistry1 questions Some Basic Concepts of Chemistry2 questions Structure of Atom1 questions Thermodynamics1 questions Chemical Kinetics and Nuclear Chemistry1 questions

Q1.Match List I with List II: Choose the correct answer from the options given below: Includes table
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q2.Two solutions A and B are prepared by dissolving 1 g of non-volatile solutes X and Y, respectively in 1 kg of water. The ratio of depression in freezing points for A and B is found to be 1 : 4. The ratio of molar masses of X and Y is
Chemistry · Solutions · MCQ
Q3. $K_{a_{1}}$ , $K_{a_{2}}$ and $K_{a_{3}}$ are the respective ionization constants for the following reactions (a), (b) and (c). (a) $H_{2} C_{2} O_{4} ⇌ H^{+} + H C_{2} O_{4}^{-}$ (b) $H C_{2} O_{4}^{-} ⇌ H^{+} + C_{2} O_{4}^{2 -}$ …
Chemistry · Ionic Equilibrium · MCQ
Q4.The molar conductivity of a conductivity cell filled with 10 moles of 20 mL NaCl solution is $Λ_{m 1}$ and that of 20 moles another identical cell heaving 80 mL NaCl solution is $Λ_{m 2}$ . The conductivities exhibited by…
Chemistry · Electrochemistry · MCQ
Q5.The first ionization enthalpies of Be, B, N and O follow the order
Chemistry · Periodic Table and Periodicity · MCQ
Q6.The correct order of energy of absorption for the following metal complexes is : A : $[N i (e n)_{3}]^{2 +}$ , B : $[N i (N H_{3})_{6}]^{2 +}$ , C : $[N i (H_{2} O)_{6}]^{2 +}$
Chemistry · Coordination Compounds · MCQ
Q7.Match List I with List II: Choose the correct answer from the options given below : Includes table
Chemistry · P Block Elements · MCQ
Q8.Major product of the following reaction is Includes diagram
Chemistry · Hydrocarbons · MCQ
Q9.What is the major product of the following reaction? Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q10.Arrange the following in decreasing acidic strength. Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q11. $C H_{3} - C H_{2} - C N E t h er ⟶ C H_{3} M g B r A H_{3} O^{+} B H C l ⟶ Z n - H g C$ The correct structure of C is
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q12.Glycosidic linkage between C1 of $α$ -glucose and C2 of $β$ -fructose is found in
Chemistry · Biomolecules · MCQ
Q13.In base vs. acid titration, at the end point methyl orange is present as
Chemistry · Practical Organic Chemistry · MCQ
Q14.56.0 L of nitrogen gas is mixed with excess hydrogen gas and it is found that 20 L of ammonia gas is produced. The volume of unused nitrogen gas is found to be L.
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q15.When the excited electron of a H atom from n = 5 drops to the ground state, the maximum number of emission lines observed are .
Chemistry · Structure of Atom · Numerical
Q16.While performing a thermodynamics experiment, a student made the following observations. $H C l$ + $N a O H$ $\to$ $N a C l$ + $H_{2} O$ $Δ$ H = $-$ 57.3 kJ mol $-$ 1 $C H_{3} C O O H$ + $N a O H$ $\to$ $C H_{3} C O O N a$ + $H_{2} O$ $Δ$ H = $-$ 55.3 kJ mol…
Chemistry · Thermodynamics · Numerical
Q17.For the decomposition of azomethane. $C H_{3} N_{2} C H_{3}$ (g) $\to$ $C H_{3} C H_{3}$ (g) + $N_{2}$ (g), a first order reaction, the variation in partial pressure with time at 600 K is given as The half life of the reaction is $\times$ … Includes diagram
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q18.The sum of number of lone pairs of electrons present on the central atoms of $X e O_{3}$ , $X e O F_{4}$ and $X e F_{6}$ , is
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q19.The spin-only magnetic moment value of $M^{3 +}$ ion (in gaseous state) from the pairs $C r^{3 +}$ / $C r^{2 +}$ , $M n^{3 +}$ / $M n^{2 +}$ , $F e^{3 +}$ / $F e^{2 +}$ and $C o^{3 +}$ / $C o^{2 +}$ that has negative standard electrode potential, is …
Chemistry · Electrochemistry · Numerical
Q20.A sample of 4.5 mg of an unknown monohydric alcohol, $R - O H$ was added to methylmagnesium iodide. A gas is evolved and is collected and its volume measured to be 3.1 mL. The molecular weight of the unknown alcohol is …
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q21.The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B from the base line are 3.25 cm, 2.08 cm and 1.05 cm, respectively. The ratio of Rf values of…
Chemistry · Basics of Organic Chemistry · Numerical
Q22.The total number of monobromo derivatives formed by the alkanes with molecular formula $C_{5} H_{12}$ is (excluding stereo isomers) .
Chemistry · Basics of Organic Chemistry · Numerical