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Chemistry · 2024 · 4 Apr · Shift 2

30 questions from this JEE Main paper

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2024 · 4 Apr · Shift 2
Chemistry

Chemistry · 2024 · 4 Apr · Shift 2

30 questions from this JEE Main paper

Electrochemistry2 questions Biomolecules1 questions Coordination Compounds3 questions Basics of Organic Chemistry2 questions Haloalkanes and Haloarenes3 questions Periodic Table and Periodicity2 questions Redox Reactions1 questions Chemical Bonding and Molecular Structure3 questions Structure of Atom2 questions Alcohols Phenols and Ethers1 questions Chemical Equilibrium1 questions Surface Chemistry1 questions Hydrocarbons1 questions Some Basic Concepts of Chemistry1 questions Solutions1 questions Chemical Kinetics and Nuclear Chemistry1 questions Thermodynamics1 questions Aldehydes Ketones and Carboxylic Acids1 questions Compounds Containing Nitrogen1 questions D and F Block Elements1 questions

Q1.Fuel cell, using hydrogen and oxygen as fuels, A. has been used in spaceship B. has as efficiency of $40%$ to produce electricity C. uses aluminum as catalysts D. is eco-friendly E. is actually a type of Galvanic cell only Choose the…
Chemistry · Electrochemistry · MCQ
Q2.Match List I with List II Choose the correct answer from the options given below: Includes table
Chemistry · Biomolecules · MCQ
Q3.If an iron (III) complex with the formula $[Fe (NH_{3})_{x} (CN)_{y}]^{-}$ has no electron in its $e_{g}$ orbital, then the value of $x + y$ is
Chemistry · Coordination Compounds · MCQ
Q4.The number of unpaired d-electrons in $[Co (H_{2} O)_{6}]^{3 +}$ is .
Chemistry · Coordination Compounds · MCQ
Q5.Correct order of stability of carbanion is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q6.Product P is Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q7.The correct order of the first ionization enthalpy is
Chemistry · Periodic Table and Periodicity · MCQ
Q8.Given below are two statements : Statement I : The correct order of first ionization enthalpy values of $Li, Na, F$ and $Cl$ is $Na S t a t e m e n t I I : T h ecor r ec t or d er o f n e g a t i v ee l ec t r o n g ain e n t ha l p y v a l u eso f$ …
Chemistry · Periodic Table and Periodicity · MCQ
Q9.For a strong electrolyte, a plot of molar conductivity against (concentration) $^{1/2}$ is a straight line, with a negative slope, the correct unit for the slope is
Chemistry · Electrochemistry · MCQ
Q10.When $MnO_{2}$ and $H_{2} SO_{4}$ is added to a salt $(A)$ , the greenish yellow gas liberated as salt (A) is :
Chemistry · Redox Reactions · MCQ
Q11.The correct statement/s about Hydrogen bonding is/are A. Hydrogen bonding exists when $H$ is covalently bonded to the highly electro negative atom. B. Intermolecular $H$ bonding is present in $o$ -nitro phenol C. Intramolecular $H$ …
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q12.Choose the Incorrect Statement about Dalton's Atomic Theory
Chemistry · Structure of Atom · MCQ
Q13. $CH_{3} - CH_{2} - CH_{2} - Br + NaOH C_{2} H_{5} OH Product ’A’$ Consider the above reactions, identify product B and product C. Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q14.The number of species from the following that have pyramidal geometry around the central atom is $S_{2} O_{3}^{2 -}, SO_{4}^{2 -}, SO_{3}^{2 -}, S_{2} O_{7}^{2 -}$
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q15.A first row transition metal in its +2 oxidation state has a spin-only magnetic moment value of $3.86 BM$ . The atomic number of the metal is
Chemistry · Coordination Compounds · MCQ
Q16.Common name of Benzene - 1,2 - diol is -
Chemistry · Alcohols Phenols and Ethers · MCQ
Q17.The equilibrium constant for the reaction $SO_{3} (g) ⇌ SO_{2} (g) + \frac{1}{2} O_{2} (g)$ is $K_{c} = 4.9 \times 1 0^{- 2}$ . The value of $K_{c}$ …
Chemistry · Chemical Equilibrium · MCQ
Q18.Find out the major product formed from the following reaction. $[Me : - CH_{3}]$ Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q19.The adsorbent used in adsorption chromatography is/are - A. silica gel B. alumina C. quick lime D. magnesia Choose the most appropriate answer from the options given below :
Chemistry · Surface Chemistry · MCQ
Q20.In the above chemical reaction sequence " $A$ " and " $B$ " respectively are Includes diagram
Chemistry · Hydrocarbons · MCQ
Q21.The maximum number of orbitals which can be identified with $n = 4$ and $m_{l} = 0$ is .
Chemistry · Structure of Atom · Numerical
Q22.Number of compounds / species from the following with non-zero dipole moment is . $BeCl_{2}, BCl_{3}, NF_{3}, XeF_{4}, CCl_{4}, H_{2} O, H_{2} S, HBr, CO_{2}, H_{2}, HCl$ …
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q23.The total number of 'sigma' and 'pi' bonds in 2-oxohex-4-ynoic acid is .
Chemistry · Basics of Organic Chemistry · Numerical
Q24.From of aniline, the maximum amount of acetanilide that can be prepared will be $\times 1 0^{- 1} g$ .
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q25. $- x^{\circ} C$ of each of water and acetic acid are mixed. The freezing point of the solution will be $- x^{\circ} C$ . Consider the acetic acid does not dimerise in water, nor dissociates in water.…
Chemistry · Solutions · Numerical
Q26.Consider the following reaction, the rate expression of which is given below $A + B \to C rate = k [A]^{1/2} [B]^{1/2}$ …
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q27.Three moles of an ideal gas are compressed isothermally from $20 L$ to $5 atm$ using constant pressure of $Q$ . Heat exchange $Q$ for the compression is - Lit. atm.
Chemistry · Thermodynamics · Numerical
Q28.Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and $π$ electrons is .
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
Q29.Phthalimide is made to undergo following sequence of reactions. Total number of $π$ bonds present in product 'P' is/are . Includes diagram
Chemistry · Compounds Containing Nitrogen · Numerical
Q30.A first row transition metal with highest enthalpy of atomisation, upon reaction with oxygen at high temperature forms oxides of formula $M_{2} O_{n}$ (where $n = 3, 4, 5$ ). The 'spin-only' magnetic moment…
Chemistry · D and F Block Elements · Numerical