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Chemistry · 2022 · 25 Jun · Shift 1

23 questions from this JEE Main paper

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2022 · 25 Jun · Shift 1
Chemistry

Chemistry · 2022 · 25 Jun · Shift 1

23 questions from this JEE Main paper

Chemical Bonding and Molecular Structure2 questions Structure of Atom2 questions P Block Elements1 questions D and F Block Elements2 questions Basics of Organic Chemistry3 questions Hydrocarbons1 questions Haloalkanes and Haloarenes1 questions Alcohols Phenols and Ethers2 questions Compounds Containing Nitrogen1 questions Some Basic Concepts of Chemistry3 questions Thermodynamics1 questions Chemical Equilibrium1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Coordination Compounds1 questions

Q1.Bonding in which of the following diatomic molecule(s) become(s) stronger, on the basis of MO Theory, by removal of an electron? (A) $N O$ (B) $N_{2}$ (C) $O_{2}$ (D) $C_{2}$ (E) $B_{2}$ Choose the most appropriate answer from the options given…
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q2.The pair, in which ions are isoelectronic with $A l^{3 +}$ is :
Chemistry · Structure of Atom · MCQ
Q3.Number of electron deficient molecules among the following $P H_{3}$ , $B_{2} H_{6}$ , $C C l_{4}$ , $N H_{3}$ , $L i H$ and $B C l_{3}$ is
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q4.White precipitate of AgCl dissolves in aqueous ammonia solution due to formation of :
Chemistry · P Block Elements · MCQ
Q5.Cerium (IV) has a noble gas configuration. Which of the following is correct statement about it?
Chemistry · D and F Block Elements · MCQ
Q6.Among the following, which is the strongest oxidizing agent?
Chemistry · D and F Block Elements · MCQ
Q7.Phenol on reaction with dilute nitric acid, gives two products. Which method will be most efficient for large scale separation?
Chemistry · Basics of Organic Chemistry · MCQ
Q8.In the following structures, which on is having staggered conformation with maximum dihedral angle?
Chemistry · Basics of Organic Chemistry · MCQ
Q9.The product formed in the following reaction. Includes diagram
Chemistry · Hydrocarbons · MCQ
Q10.The IUPAC name of ethylidene chloride is :
Chemistry · Basics of Organic Chemistry · MCQ
Q11.The major product in the reaction Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q12.The intermediate X, in the reaction : Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q13.In the following reaction : The compounds A and B respectively are : Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q14.The reaction of with bromine and $K O H$ gives $R N H_{2}$ as the end product. Which one of the following is the intermediate product formed in this reation? Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q15.The number of N atoms in 681 g of $C_{7} H_{5} N_{3} O_{6}$ is x $\times$ 1021. The value of x is (NA = 6.02 $\times$ 1023 mol $-$ 1) (Nearest Integer)
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q16.The longest wavelength of light that can be used for the ionisation of lithium atom (Li) in its ground state is x $\times$ 10 $-$ 8 m. The value of x is . (Nearest Integer). (Given : Energy of the electron in the…
Chemistry · Structure of Atom · Numerical
Q17.The standard entropy change for the reaction 4 $F e$ (s) + 3 $O_{2}$ (g) $\to$ 2 $F e_{2} O_{3}$ (s) is $-$ 550 J K $-$ 1 at 298 K. [Given : The standard enthalpy change for the reaction is $-$ 165 kJ mol $-$ 1]. The temperature in K at which the…
Chemistry · Thermodynamics · Numerical
Q18.1 L aqueous solution of $H_{2} S O_{4}$ contains 0.02 m mol $H_{2} S O_{4}$ . 50% of this solution is diluted with deionized water to give 1 L solution (A). In solution (A), 0.01 m mol of $H_{2} S O_{4}$ are added. Total m mols of $H_{2} S O_{4}$ in the final…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q19.The standard free energy change ( $Δ$ G $^{\circ}$ ) for 50% dissociation of $N_{2} O_{4}$ into $N O_{2}$ at 27 $^{\circ}$ C and 1 atm pressure is $-$ x J mol $-$ 1. The value of x is . (Nearest Integer) [Given : R = 8.31…
Chemistry · Chemical Equilibrium · Numerical
Q20.In a cell, the following reactions take place $F e^{2 +} \to F e^{3 +} + e^{-} 2 I^{-} \to I_{2} + 2 e^{-} E_{F e^{3 +} / F e^{2 +}}^{o} = 0.77 V E_{I_{2} / I^{-}}^{o} = 0.54 V$ …
Chemistry · Electrochemistry · Numerical
Q21.For a given chemical reaction $γ$ 1A + $γ$ 2B $\to γ$ 3C + $γ$ 4D Concentration of C changes from 10 mmol dm $-$ 3 to 20 mmol dm $-$ 3 in 10 seconds. Rate of appearance of D is 1.5 times the rate of disappearance of B…
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q22.If $[C u (H_{2} O)_{4}]^{2 +}$ absorbs a light of wavelength 600 nm for d-d transition, then the value of octahedral crystal field splitting energy for $[C u (H_{2} O)_{6}]^{2 +}$ will be $\times$ 10 $-$ 21 J. [Nearest Integer]…
Chemistry · Coordination Compounds · Numerical
Q23.Number of grams of bromine that will completely react with 5.0 g of pent-1-ene is $\times$ 10 $-$ 2 g. (Atomic mass of Br = 80 g/mol) [Nearest Integer]
Chemistry · Some Basic Concepts of Chemistry · Numerical