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Chemistry · 2014 · Shift 1

20 questions from this JEE Advanced paper

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JEE Advanced
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2014 · Shift 1
Chemistry

Chemistry · 2014 · Shift 1

20 questions from this JEE Advanced paper

D and F Block Elements3 questions Electrochemistry1 questions Some Basic Concepts of Chemistry2 questions Solutions1 questions Chemical Bonding and Molecular Structure2 questions Structure of Atom1 questions Redox Reactions2 questions Compounds Containing Nitrogen1 questions Alcohols Phenols and Ethers1 questions Basics of Organic Chemistry2 questions Gaseous State1 questions P Block Elements1 questions Biomolecules1 questions Aldehydes Ketones and Carboxylic Acids1 questions

Q1.Upon heating with $C u_{2} S$ , the reagent(s) that give copper metal is/are
Chemistry · D and F Block Elements · Multiple correct
Q2.In a galvanic cell, the salt bridge
Chemistry · Electrochemistry · Multiple correct
Q3.A compound $H_{2} X$ with molar weight of 80g is dissolved in a solvent having density of 0.4 gml–1 . Assuming no change in volume upon dissolution, the molality of a 3.2 molar solution is
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q4. $M X_{2}$ dissociates in $M^{2 +}$ and $X^{-}$ ions in an aqueous solution, with a degree of dissociation ( $α$ ) of 0.5. The ratio of the observed depression of freezing point of the aqueous solution to the value of the depression of…
Chemistry · Solutions · Numerical
Q5.A list of species having the formula $X Z_{4}$ is given below. $X e F_{4}$ , $S F_{4}$ , $S i F_{4}$ , $B F_{4}^{-}$ , $B r F_{4}^{-}$ , $[C u (N H_{3})_{4}]^{2 +}$ , $[F e C l_{4}]^{2 -}$ , $[C o C l_{4}]^{2 -}$ and $[P tC l_{4}]^{2 -}$ Defining shape on the basis of the location of X and Z…
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q6.In an atom, the total number of electrons having quantum numbers n = 4, |ml| = 1 and ms = –1/2 is
Chemistry · Structure of Atom · Numerical
Q7.If the value of Avogadro number is 6.023 $\times$ 1023 mol-1 and the value of Boltzmann constant is 1.380 $\times$ 10-23 J K-1, then the number of significant digits in the calculated value of the universal gas constant is
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q8.For the reaction, $I^{-} + C l O_{3}^{-} + H_{2} S O_{4} \to C l^{-} + H S O_{4}^{-} + I_{2}$ the correct statement(s) in the balanced equation is/are
Chemistry · Redox Reactions · Multiple correct
Q9.The pair(s) of reagents that yield paramagnetic species is/are
Chemistry · D and F Block Elements · Multiple correct
Q10.In the reaction shown below, the major product(s) formed is/are Includes diagram
Chemistry · Compounds Containing Nitrogen · Multiple correct
Q11.Hydrogen bonding plays a central role in the following phenomena
Chemistry · Chemical Bonding and Molecular Structure · Multiple correct
Q12.The reactivity of compound Z with different halogens under appropriate conditions is given below The observed pattern of electrophilic substitution can be explained by Includes diagram
Chemistry · Alcohols Phenols and Ethers · Multiple correct
Q13.The correct combination of names for isomeric alcohols with molecular formula $C_{4} H$ {}_{10}$O is/are
Chemistry · Basics of Organic Chemistry · Multiple correct
Q14.An ideal gas in thermally insulated vessel at internal pressure = p1, volume = V1 and absolute temperature = T1 expands irreversibly against zero external pressure, as shown in the diagram. The final internal pressure, volume and absolute… Includes diagram
Chemistry · Gaseous State · Multiple correct
Q15.The correct statement(s) for orthoboric acid is/are
Chemistry · P Block Elements · Multiple correct
Q16.The total number of distinct naturally occurring amino acids obtained by complete acidic hydrolysis of the peptide shown below is Includes diagram
Chemistry · Biomolecules · Numerical
Q17.Consider the following list of reagents, acidified $K_{2} C r_{2} O_{7}$ , alkaline $K M n O_{4}$ , $C u S O_{4}$ , $H_{2} O_{2}$ , $C l_{2}$ , $O_{3}$ , $F e C l_{3}$ , $H N O_{3}$ and $N a_{2} S_{2} O_{3}$ . The total number of reagents that can oxidise aqueous iodide to iodine is
Chemistry · Redox Reactions · Numerical
Q18.The total number(s) of stable conformers with non-zero dipole moment for the following compound is(are) Includes diagram
Chemistry · Basics of Organic Chemistry · Numerical
Q19.Among $P b S$ , $C u S$ , $H g S$ , $M n S$ , $A g_{2} S$ , $N i S$ , $C o S$ , $B i_{2} S_{3}$ and $S n S_{2}$ the total number of black coloured sulphides is
Chemistry · D and F Block Elements · Numerical
Q20.Consider all possible isomeric ketones including stereoisomers of MW = 100. All these isomers are independently reacted with $N a B H_{4}$ (Note : stereoisomers are also reacted separately). The total number of ketones that give a racemic…
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical