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Chemistry · 2019 · 12 Apr · Shift 1

22 questions from this JEE Main paper

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2019 · 12 Apr · Shift 1
Chemistry

Chemistry · 2019 · 12 Apr · Shift 1

22 questions from this JEE Main paper

Redox Reactions1 questions Chemical Bonding and Molecular Structure1 questions Electrochemistry1 questions Coordination Compounds2 questions Some Basic Concepts of Chemistry2 questions Basics of Organic Chemistry1 questions Structure of Atom2 questions Aldehydes Ketones and Carboxylic Acids2 questions Chemical Kinetics and Nuclear Chemistry1 questions Hydrocarbons2 questions Thermodynamics2 questions Practical Organic Chemistry1 questions Biomolecules2 questions Ionic Equilibrium1 questions Alcohols Phenols and Ethers1 questions

Q1.An example of a disproportionation reaction is :
Chemistry · Redox Reactions · MCQ
Q2.The correct statement among the following is :
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q3.Given $C O_{3}^{+}$ + e– $\to$ $C O^{2 +}$ ; Eo = + 1.81 V $P b^{4 +}$ + 2e– $\to$ $P b^{2 +}$ ; Eo = + 1.67 V $C e^{4 +}$ + e– $\to$ $C e^{3 +}$ ; Eo = + 1.61 V $B i^{3 +}$ + 3e– $\to$ $B i$ ; Eo = + 0.20 V Oxidizing power of the species will increase in…
Chemistry · Electrochemistry · MCQ
Q4.Complete removal of both the axial ligands (along the z-axis) from an octahedral complex leads to which of the following splitting patterns? (relative orbital energies not on scale).
Chemistry · Coordination Compounds · MCQ
Q5.5 moles of $A B_{2}$ weigh 125 × 10–3 kg and 10 moles of $A_{2} B_{2}$ weigh 300 × 10–3 kg. The molar mass of A (MA) and molar mass of B (MB) in kg mol are:
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q6.The increasing order of the pKb of the following compound is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q7.The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are:
Chemistry · Structure of Atom · MCQ
Q8.The complex ion that will lose its crystal field stabilization energy upon oxidation of its metal to +3 state is : Includes diagram
Chemistry · Coordination Compounds · MCQ
Q9.The major product(s) obtained in the following reaction is/are : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q10.In the following reaction; xA $\to$ yB $lo g_{10} [- \frac{d [ A ]}{d t}] = lo g_{10} [\frac{d [ B ]}{d t}] + 0.3010$ 'A' and 'B' respectively can be :
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q11.The major product of the following addition reaction is : $H_{3} C$ – $C H$ = $C H_{2}$ $C l_{2} / H_{2} O$
Chemistry · Hydrocarbons · MCQ
Q12.An ideal gas is allowed to expand form 1 L to 10 L against a constant external pressure of I bar. The work done in kJ is :
Chemistry · Thermodynamics · MCQ
Q13.But-2-ene on reaction with alkaline $K M n O_{4}$ at elevated temperature followed by acidification will give :
Chemistry · Hydrocarbons · MCQ
Q14.The mole fraction of a solvent in aqueous solution of a solute is 0.8. The molality (in mol kg–1 ) of the aqueous solution is :
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q15.The electrons are more likely to be found : Includes diagram
Chemistry · Structure of Atom · MCQ
Q16.An organic compound 'A' is oxidizod with $N a_{2} O_{2}$ followed by boiling with $H N O_{3}$ . The resultant solution is then treated with ammonium molybdate to yield a yellow precipitate. Based on above observation, the element present in the given…
Chemistry · Practical Organic Chemistry · MCQ
Q17.Enthalpy of sublimation of iodine is 24 cal g–1 at 200 oC. If specific heat of $I_{2}$ (s) and l2 (vap) are 0.055 and 0.031 cal g–1K –1 respectively, then enthalpy of sublimation of iodine at 250 oC in cal g–1 is :
Chemistry · Thermodynamics · MCQ
Q18.Which of the following statements is not true about RNA?
Chemistry · Biomolecules · MCQ
Q19.The major products of the following reaction are : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q20.What is the molar solubility of $A l (O H)_{3}$ in 0.2 M $N a O H$ solution ? Given that, solubility product of $A l (O H)_{3}$ = 2.4 × 10–24 :
Chemistry · Ionic Equilibrium · MCQ
Q21.Glucose and Galactose are having identical configuration in all the positions except position
Chemistry · Biomolecules · MCQ
Q22.The major product of the following reaction is : Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ