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Chemistry · 2022 · 29 Jul · Shift 2

22 questions from this JEE Main paper

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2022 · 29 Jul · Shift 2
Chemistry

Chemistry · 2022 · 29 Jul · Shift 2

22 questions from this JEE Main paper

Some Basic Concepts of Chemistry3 questions Structure of Atom1 questions Ionic Equilibrium1 questions P Block Elements2 questions D and F Block Elements1 questions Coordination Compounds2 questions Aldehydes Ketones and Carboxylic Acids2 questions Haloalkanes and Haloarenes1 questions Basics of Organic Chemistry1 questions Alcohols Phenols and Ethers1 questions Compounds Containing Nitrogen1 questions Biomolecules1 questions Redox Reactions1 questions Chemical Bonding and Molecular Structure1 questions Solutions1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions

Q1.Consider the reaction $4 HNO_{3} (1) + 3 KCl (s) \to Cl_{2} (g) + NOCl (g) + 2 H_{2} O (g) + 3 KNO_{3} (s)$ The amount of $HNO_{3}$ …
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q2.Given below are the quantum numbers for 4 electrons. A. $n = 3, l = 2, m_{1} = 1, m_{s} = + 1/2$ B. $n = 4, l = 1, m_{1} = 0, m_{s} = + 1/2$ C. $n = 4, l = 2, m_{1} = - 2, m_{s} = - 1/2$ …
Chemistry · Structure of Atom · MCQ
Q3. $C (s) + O_{2} (g) \to CO_{2} (g) + 400 kJ C (s) + \frac{1}{2} O_{2} (g) \to CO (g) + 100 kJ$ …
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q4. $0.01 M HCl$ of $0.01 M HCl$ is mixed with $0.01 M H_{2} SO_{4}$ of $0.01 M H_{2} SO_{4}$ . The $pH$ of the mixture is . Given: $lo g 2 = 0.30, lo g 3 = 0.48, lo g 5 = 0.70, lo g 7 = 0.84, lo g 11 = 1.04$ …
Chemistry · Ionic Equilibrium · MCQ
Q5.In liquation process used for tin (Sn), the metal :
Chemistry · P Block Elements · MCQ
Q6.Given below are two statements. Statement I : Stannane is an example of a molecular hydride. Statement II : Stannane is a planar molecule. In the light of the above statement, choose the most appropriate answer from the options given below.
Chemistry · P Block Elements · MCQ
Q7.Which of the following $3 d$ -metal ion will give the lowest enthalpy of hydration $(Δ_{hyd} H)$ when dissolved in water ?
Chemistry · D and F Block Elements · MCQ
Q8.Octahedral complexes of copper(II) undergo structural distortion (Jahn-Teller). Which one of the given copper (II) complexes will show the maximum structural distortion? (en - ethylenediamine; $H_{2} N_{-} CH_{2} - CH_{2} - NH_{2}$ …
Chemistry · Coordination Compounds · MCQ
Q9.Correct structure of $γ$ -methylcyclohexane carbaldehyde is
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q10.Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is [where Et is $- C_{2} H_{5}]$ Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q11.Given below are two statements. Statement I : The compound is optically active. Statement II : is mirror image of above compound A. In the light of the above statement, choose the most appropriate answer from the options given below. Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q12.When ethanol is heated with conc. $H_{2} SO_{4}$ , a gas is produced. The compound formed, when this gas is treated with cold dilute aqueous solution of Baeyer's reagent, is
Chemistry · Alcohols Phenols and Ethers · MCQ
Q13.The Hinsberg reagent is
Chemistry · Compounds Containing Nitrogen · MCQ
Q14.Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Amylose is insoluble in water. Reason R: Amylose is a long linear molecule with more than 200 glucose units. In the light of…
Chemistry · Biomolecules · MCQ
Q15.A compound 'X' is a weak acid and it exhibits colour change at pH close to the equivalence point during neutralization of NaOH with $CH_{3} COOH$ . Compound 'X' exists in ionized form in basic medium. The compound 'X' is
Chemistry · Redox Reactions · MCQ
Q16.Consider, $PF_{5}, BrF_{5}, PCl_{3}, SF_{6}, [ICl_{4}]^{-}, ClF_{3}$ and $IF_{5}$ . Amongst the above molecule(s)/ion(s), the number of molecule(s)/ion(s) having $sp^{3} d^{2}$ …
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q17. $62.5 cm^{3}$ of solute A was dissolved in $62.5 cm^{3}$ of ethanol and freezing point of the solution was found to be . The molar mass of solute A is g $mol^{- 1}$ .…
Chemistry · Solutions · Numerical
Q18.For a cell, $Cu (s) Cu^{2 +} (0.001 M) ∥ Ag^{+} (0.01 M) Ag (s)$ the cell potential is found to be $298 K$ at $298 K$ . The magnitude…
Chemistry · Electrochemistry · Numerical
Q19.Assuming of trace radioactive element X with a half life of 30 years is absorbed by a growing tree. The amount of X remaining in the tree after 100 years is $\times 1 0^{- 1} μ g$ .…
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q20.Sum of oxidation state (magnitude) and coordination number of cobalt in $Na [Co (bpy) Cl_{4}]$ is . Includes diagram
Chemistry · Coordination Compounds · Numerical
Q21.A 1.84 mg sample of polyhydric alcoholic compound 'X' of molar mass 92.0 g/mol gave 1.344 mL of $H_{2}$ gas at STP. The number of alcoholic hydrogens present in compound 'X' is .
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q22.The number of stereoisomers formed in a reaction of $(\pm) Ph (C = O) C (OH) (CN) Ph$ with $HCN$ is . $[$ where $Ph$ is $- C_{6} H_{5}$ …
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical