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Chemistry · 2020 · 6 Sep · Shift 1

19 questions from this JEE Main paper

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2020 · 6 Sep · Shift 1
Chemistry

Chemistry · 2020 · 6 Sep · Shift 1

19 questions from this JEE Main paper

Chemical Bonding and Molecular Structure1 questions Solutions1 questions Electrochemistry1 questions Practical Organic Chemistry1 questions D and F Block Elements2 questions Aldehydes Ketones and Carboxylic Acids2 questions Chemical Equilibrium2 questions Chemical Kinetics and Nuclear Chemistry1 questions P Block Elements1 questions Hydrocarbons2 questions Basics of Organic Chemistry1 questions Coordination Compounds1 questions Ionic Equilibrium1 questions Some Basic Concepts of Chemistry1 questions Compounds Containing Nitrogen1 questions

Q1.The number of Cl = O bonds in perchloric acid is, "".
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q2.The elevation of boiling point of 0.10 m aqueous $C r C l_{3} . x N H_{3}$ solution is two times that of 0.05 m aqueous $C a C l_{2}$ solution. The value of x is . [Assume 100% ionisation of the complex and $C a C l_{2}$ , coordination…
Chemistry · Solutions · Numerical
Q3.Potassium chlorate is prepared by the electrolysis of $K C l$ in basic solution $6 O H^{-} + C l^{-}$ $\to$ $C l O_{3}^{-} + 3 H_{2} O + 6 e^{-}$ If only 60% of the current is utilized in the reaction, the time (rounded to the nearest hour) required to produce…
Chemistry · Electrochemistry · Numerical
Q4.In an estimation of bromine by Carius method, 1.6 g of an organic compound gave 1.88 g of AgBr. The mass percentage of bromine in the compound is . (Atomic mass, Ag = 108, Br = 80 g mol–1)
Chemistry · Practical Organic Chemistry · Numerical
Q5.The set that contains atomic numbers of only transition elements, is :
Chemistry · D and F Block Elements · MCQ
Q6.Consider the following reactions 'A' is : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q7.The variation of equilibrium constant with temperature is given below : The values of $Δ$ Ho, $Δ$ Go at T1 and $Δ$ Go at T2 (in kJ mol–1) respectively, are close to : [Use R = 8.314 J K–1 mol–1] Includes table
Chemistry · Chemical Equilibrium · MCQ
Q8.Consider the following reactions A $\to$ $P_{1}$ ; B $\to$ $P_{2}$ ; C $\to$ $P_{3}$ ; D $\to$ $P_{4}$ , The order of the above reactions are a, b, c, and d, respectively. The following graph is obtained when log[rate] vs. log[conc.] are plotted… Includes diagram
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q9.The correct statement with respect to dinitrogen is :
Chemistry · P Block Elements · MCQ
Q10.The major product obtained from the following reaction is : Includes diagram
Chemistry · Hydrocarbons · MCQ
Q11.Which of the following compounds shows geometrical isomerism?
Chemistry · Basics of Organic Chemistry · MCQ
Q12.The lanthanoid that does NOT show +4 oxidation state is :
Chemistry · D and F Block Elements · MCQ
Q13.The major products of the following reaction are : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q14.The major product of the following reaction is : Includes diagram
Chemistry · Hydrocarbons · MCQ
Q15.The species that has a spin-only magnetic moment of 5.9 BM, is : (Td = tetrahedral)
Chemistry · Coordination Compounds · MCQ
Q16.Arrange the following solutions in the decreasing order of pOH : (A) 0.01 M $H C l$ (B) 0.01 M $N a O H$ (C) 0.01 M $C H_{3} C O O N a$ (D) 0.01 M $N a C l$
Chemistry · Ionic Equilibrium · MCQ
Q17.For the reaction $F e_{2} N$ (s) + $\frac{3}{2}$ $H_{2}$ (g) ⇌ 2Fe(s) + $N H_{3}$ (g)
Chemistry · Chemical Equilibrium · MCQ
Q18.A solution of two components containing $n_{1}$ moles of the 1st component and $n_{2}$ moles of the 2nd component is prepared. $M_{1}$ and $M_{2}$ are the molecular weights of component 1 and 2 respectively. If d is the density of the solution in…
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q19.The increasing order of pKb values of the following compounds is : Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ