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Chemistry · 2015 · Shift 0

22 questions from this JEE Main paper

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JEE Main
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2015 · Shift 0
Chemistry

Chemistry · 2015 · Shift 0

22 questions from this JEE Main paper

Solutions1 questions Basics of Organic Chemistry2 questions Some Basic Concepts of Chemistry1 questions Thermodynamics1 questions Chemical Equilibrium1 questions Electrochemistry1 questions Chemical Bonding and Molecular Structure1 questions D and F Block Elements2 questions Compounds Containing Nitrogen1 questions Aldehydes Ketones and Carboxylic Acids2 questions Biomolecules1 questions Haloalkanes and Haloarenes1 questions Coordination Compounds2 questions P Block Elements2 questions Chemical Kinetics and Nuclear Chemistry1 questions Periodic Table and Periodicity1 questions Structure of Atom1 questions

Q1.The vapour pressure of acetone at 20oC is 185 torr. When 1.2 g of a non-volatile substance was dissolved in 100 g of acetone at 20oC, its vapour pressure was 183 torr. The molar mass (g mol-1) of the substance is:
Chemistry · Solutions · MCQ
Q2.Which of the following compounds will exhibit geometrical isomerism?
Chemistry · Basics of Organic Chemistry · MCQ
Q3.In Carius method of estimation of halogens, 250 mg of an organic compound gave 141 mg of AgBr. The percentage of bromine in the compound is: (at. Mass Ag = 108; Br = 80)
Chemistry · Basics of Organic Chemistry · MCQ
Q4.The molecular formula of a commercial resin used for exchanging ions in water softening is $C_{8} H_{7} S O_{3} N a$ (Mol. Wt. 206). What would be the maximum uptake of $C a^{2 +}$ ions by the resin when expressed in mole per gram resin?
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q5.The following reaction is performed at 298 K 2 $N O$ (g) + $O_{2}$ (g) $⇋$ 2 $N O_{2}$ (g) The standard free energy of formation of $N O$ (g) is 86.6 kJ/mol at 298 K. What is the standard free energy of formation of $N O_{2}$ (g) at…
Chemistry · Thermodynamics · MCQ
Q6.The standard Gibbs energy change at 300 K for the reaction 2A $⇋$ B + C is 2494.2 J. At a given time, the composition of the reaction mixture is [A] = 1/2, [B] = 2 and [C] = 1/2. The reaction proceeds in the: [R = 8.314…
Chemistry · Chemical Equilibrium · MCQ
Q7.Two Faraday of electricity is passed through a solution of $C u S O_{4}$ . The mass of copper deposited at the cathode is: (at. mass of Cu = 63.5 amu)
Chemistry · Electrochemistry · MCQ
Q8.The intermolecular interaction that is dependent on the inverse cube of distance between the molecule is:
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q9.Match the catalysts to the correct processes : Includes table
Chemistry · D and F Block Elements · MCQ
Q10.In the reaction The product $E$ is : Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q11.Which compound would give $5$ - keto - $2$ - methylhexanal upon ozonolysis?
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q12.Which of the vitamins given below is water soluble?
Chemistry · Biomolecules · MCQ
Q13.In the following sequence of reactions: The product C is Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q14.The synthesis of alkyl fluorides is best accomplished by:
Chemistry · Haloalkanes and Haloarenes · MCQ
Q15.The number of geometric isomers that can exist for square planar $[P t (C l) (p y) (N H_{3}) (N H_{2} O H)]^{+}$ is (py = pyridine) :
Chemistry · Coordination Compounds · MCQ
Q16.The colour of $K M n O_{4}$ is due to :
Chemistry · D and F Block Elements · MCQ
Q17.Which of the following compounds is not colored yellow?
Chemistry · Coordination Compounds · MCQ
Q18.Assertion : Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Reason : The reaction between nitrogen and oxygen requires high temperature.
Chemistry · P Block Elements · MCQ
Q19.Which one has the highest boiling point?
Chemistry · P Block Elements · MCQ
Q20.Higher order (>3) reactions are rare due to
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q21.The ionic radii (in Å) of $N_{3}^{-}$ , $O^{2 -}$ and $F^{-}$ are respectively:
Chemistry · Periodic Table and Periodicity · MCQ
Q22.Which of the following is the energy of a possible excited state of hydrogen?
Chemistry · Structure of Atom · MCQ