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Chemistry · 2024 · 31 Jan · Shift 2

30 questions from this JEE Main paper

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2024 · 31 Jan · Shift 2
Chemistry

Chemistry · 2024 · 31 Jan · Shift 2

30 questions from this JEE Main paper

Hydrocarbons1 questions Chemical Equilibrium1 questions Aldehydes Ketones and Carboxylic Acids2 questions P Block Elements3 questions Compounds Containing Nitrogen3 questions Basics of Organic Chemistry3 questions D and F Block Elements1 questions Coordination Compounds2 questions Chemical Bonding and Molecular Structure2 questions Structure of Atom1 questions Periodic Table and Periodicity1 questions Practical Organic Chemistry1 questions Haloalkanes and Haloarenes1 questions Some Basic Concepts of Chemistry2 questions Biomolecules1 questions Redox Reactions2 questions Electrochemistry1 questions Thermodynamics1 questions Chemical Kinetics and Nuclear Chemistry1 questions

Q1.Major product of the following reaction is - Includes diagram
Chemistry · Hydrocarbons · MCQ
Q2. $A_{(g)} ⇌ B_{(g)} + \frac{C}{2} (g)$ The correct relationship between $K_{P}, α$ and equilibrium pressure $P$ is
Chemistry · Chemical Equilibrium · MCQ
Q3.Identify major product 'P' formed in the following reaction. Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q4.Given below are two statements: Statement I : Group 13 trivalent halides get easily hydrolyzed by water due to their covalent nature. Statement II : $AlCl_{3}$ upon hydrolysis in acidified aqueous solution forms octahedral $[Al (H_{2} O)_{6}]^{3 +}$ …
Chemistry · P Block Elements · MCQ
Q5.The azo-dye $(Y)$ formed in the following reactions is Sulphanilic acid $+ NaNO_{2} + CH_{3} COOH \to X$ . Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q6.Given below are two statements: Statement I : $S_{8}$ solid undergoes disproportionation reaction under alkaline conditions to form $S^{2 -}$ and $S_{2} O_{3}^{2 -}$ . Statement II : $ClO_{4}^{-}$ can…
Chemistry · P Block Elements · MCQ
Q7.Identify structure of 2,3-dibromo-1-phenylpentane.
Chemistry · Basics of Organic Chemistry · MCQ
Q8.Choose the correct statements from the following A. All group 16 elements form oxides of general formula $EO_{2}$ and $EO_{3}$ , where $E = S, Se, Te$ and $Po$ . Both the types of…
Chemistry · P Block Elements · MCQ
Q9.The correct order of reactivity in electrophilic substitution reaction of the following compounds is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q10.Choose the correct statements from the following A. $Mn_{2} O_{7}$ is an oil at room temperature B. $V_{2} O_{4}$ reacts with acid to give $VO_{2}^{2 +}$ C. $CrO$ is a basic oxide D. $V_{2} O_{5}$ …
Chemistry · D and F Block Elements · MCQ
Q11.Select the option with correct property -
Chemistry · Coordination Compounds · MCQ
Q12.Which of the following is least ionic?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q13.The four quantum numbers for the electron in the outer most orbital of potassium (atomic no. 19) are
Chemistry · Structure of Atom · MCQ
Q14.Identify the name reaction. Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q15.Consider the following elements. Which of the following is/are true about $A^{'}, B^{'}, C^{'}$ and $D^{'}$ ? A. Order of atomic radii: $B^{'} < A^{'} < D^{'} < C^{'}$ … Includes diagram
Chemistry · Periodic Table and Periodicity · MCQ
Q16.The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable…
Chemistry · Practical Organic Chemistry · MCQ
Q17.Identify A and B in the following reaction sequence. Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q18.Match List I with List II Choose the correct answer from the options given below: Includes table
Chemistry · Coordination Compounds · MCQ
Q19.Given below are two statements : Statement I : Aniline reacts with con. $H_{2} SO_{4}$ , followed by heating at $453 - 473 K$ gives $p$ -aminobenzene sulphonic acid, which gives blood red colour in the…
Chemistry · Compounds Containing Nitrogen · MCQ
Q20.A sample of $CaCO_{3}$ and $MgCO_{3}$ weighed $1.152 g$ is ignited to constant weight of $g mol^{- 1} CaCO_{3} : 100, MgCO_{3} : 84$ . The composition of mixture is : (Given molar mass in $g mol^{- 1} CaCO_{3} : 100, MgCO_{3} : 84$ …
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q21.From the vitamins $A, B_{1}, B_{6}, B_{12}, C, D, E$ and $K$ , the number of vitamins that can be stored in our body is .
Chemistry · Biomolecules · Numerical
Q22.A diatomic molecule has a dipole moment of $1 A^{\circ}$ . If the bond distance is $1 A^{\circ}$ , then fractional charge on each atom is $\times 1 0^{- 1}$ esu. (Given $1 D = 1 0^{- 18}$ esucm)
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q23.Number of isomeric products formed by monochlorination of 2-methylbutane in presence of sunlight is .
Chemistry · Basics of Organic Chemistry · Numerical
Q24.In the reaction of potassium dichromate, potassium chloride and sulfuric acid (conc.), the oxidation state of the chromium in the product is $(+)$ .
Chemistry · Redox Reactions · Numerical
Q25.The values of conductivity of some materials at $298.15 K^{- 1} in Sm^{- 1}$ are $2.1 \times 1 0^{3}$ , $1.0 \times 1 0^{- 16}, 1.2 \times 10, 3.91, 1.5 \times 1 0^{- 2}, 1 \times 1 0^{- 7}, 1.0 \times 1 0^{3}$ . The number of…
Chemistry · Electrochemistry · Numerical
Q26.A compound $(x)$ with molar mass $108 g mol^{- 1}$ undergoes acetylation to give product with molar mass $192 g mol^{- 1}$ . The number of amino groups in the compound $(x)$ is…
Chemistry · Compounds Containing Nitrogen · Numerical
Q27.Number of moles of $H^{+}$ ions required by $MnO_{4}^{-}$ of $MnO_{4}^{-}$ to oxidise oxalate ion to $CO_{2}$ is .
Chemistry · Redox Reactions · Numerical
Q28.If 5 moles of an ideal gas expands from $100 L$ to a volume of $300 K$ at $w$ under isothermal and reversible condition then work, $w$ , is $- x J$ . The value of $x$ is …
Chemistry · Thermodynamics · Numerical
Q29.The molarity of $(H_{3} PO_{4})$ orthophosphoric acid $(H_{3} PO_{4})$ having $70%$ purity by weight (specific gravity $1.54 g cm^{- 3}$ ) is $M$ . (Molar mass…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q30. $r = k [A]$ for a reaction, $50%$ of $A$ is decomposed in 120 minutes. The time taken for $90%$ decomposition of $A$ is minutes.
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical