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Chemistry · 2023 · 13 Apr · Shift 2

20 questions from this JEE Main paper

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2023 · 13 Apr · Shift 2
Chemistry

Chemistry · 2023 · 13 Apr · Shift 2

20 questions from this JEE Main paper

Thermodynamics1 questions Salt Analysis1 questions Compounds Containing Nitrogen2 questions Coordination Compounds2 questions Alcohols Phenols and Ethers2 questions Biomolecules1 questions Chemical Bonding and Molecular Structure1 questions P Block Elements1 questions Basics of Organic Chemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Practical Organic Chemistry1 questions Redox Reactions1 questions Some Basic Concepts of Chemistry1 questions Structure of Atom1 questions Solutions1 questions Electrochemistry1 questions Ionic Equilibrium1 questions

Q1.What happens when methane undergoes combustion in systems A and B respectively? Includes diagram
Chemistry · Thermodynamics · MCQ
Q2.In the wet tests for detection of various cations by precipitation, $Ba^{2 +}$ cations are detected by obtaining precipitate of
Chemistry · Salt Analysis · MCQ
Q3.Compound $A$ from the following reaction sequence is: Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q4.The total number of stereoisomers for the complex $[Cr (o x)_{2} ClBr]^{3 -}$ (where $o x =$ oxalate) is :
Chemistry · Coordination Compounds · MCQ
Q5.The major product for the following reaction is: Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q6.The naturally occurring amino acid that contains only one basic functional group in its chemical structure is
Chemistry · Biomolecules · MCQ
Q7.Which of the following complexes will exhibit maximum attraction to an applied magnetic field?
Chemistry · Coordination Compounds · MCQ
Q8.Given below are two statements : Statement I : $SO_{2}$ and $H_{2} O$ both possess V-shaped structure. Statement II : The bond angle of $SO_{2}$ is less than that of $H_{2} O$ . In the…
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q9.The covalency and oxidation state respectively of boron in $[BF_{4}]^{-}$ , are :
Chemistry · P Block Elements · MCQ
Q10.Given below are two statements : Statement I : Tropolone is an aromatic compound and has $8 π$ electrons. Statement II : $π$ electrons of $> C = O$ group in tropolone is involved in aromaticity. In the light of the…
Chemistry · Basics of Organic Chemistry · MCQ
Q11.Match List I with List II 1 - Bromopropane is reacted with reagents in List I to give product in List II Choose the correct answer from the options given below: Includes table
Chemistry · Compounds Containing Nitrogen · MCQ
Q12.Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Order of acidic nature of the following compounds is A > B > C. Reason R : Fluoro is a stronger electron withdrawing… Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q13.A(g) $\to$ 2B(g) + C(g) is a first order reaction. The initial pressure of the system was found to be 800 mm Hg which increased to 1600 mm Hg after 10 min. The total pressure of the system after 30 min will be mm…
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q14. $(X)$ of an organic compound $(X)$ gave $AgBr$ of $AgBr$ in Carius method for estimation of bromine. $%$ of bromine in the compound $(X)$ is . (Given: Molar…
Chemistry · Practical Organic Chemistry · Numerical
Q15.See the following chemical reaction: $Cr_{2} O_{7}^{2 -} + XH^{+} + 6 F_{e}^{2 +} \to YCr^{3 +} + 6 F_{e}^{3 +} + Z H_{2} O$ The sum of $X, Y$ …
Chemistry · Redox Reactions · Numerical
Q16. $(M_{2} CO_{3})$ of a carbonate $(M_{2} CO_{3})$ on treatment with excess $HCl$ produces $CO_{2}$ of $CO_{2}$ . The molar mass of $M_{2} CO_{3}$ is …
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q17.The orbital angular momentum of an electron in $\frac{x h}{2 π}$ orbital is $\frac{x h}{2 π}$ . The value of $x$ is (nearest integer)
Chemistry · Structure of Atom · Numerical
Q18.Sea water contains $19% MgCl_{2}$ and $19% MgCl_{2}$ by weight of solution. The normal boiling point of the sea water is $^{\circ} C$ (Nearest integer) Assume $100%$ ionization…
Chemistry · Solutions · Numerical
Q19.At $Cu^{2 +} / Cu$ , the standard reduction potential for $Cu^{2 +} / Cu$ electrode is $K_{sp} Cu (OH)_{2} = 1 \times 1 0^{- 20}$ . Given : $K_{sp} Cu (OH)_{2} = 1 \times 1 0^{- 20}$ Take $\frac{2.303 RT}{F} = 0.059 V$ …
Chemistry · Electrochemistry · Numerical
Q20.20 mL of $0.1 M NaOH$ is added to $0.1 M$ of $0.1 M$ acetic acid solution. The $pH$ of the resulting solution is $\times 1 0^{- 2}$ (Nearest integer) Given : $pKa (CH_{3} COOH) = 4.76$ …
Chemistry · Ionic Equilibrium · Numerical