PracBeeLogin

JEE Advanced 2019 Paper 1 Offline

JEE Advanced / 18 questions

2026Sun, May 26, 2019 9:00 PM18 PYQs
1Aldehydes Ketones And Carboxylic Acids
The correct order of acid strength of the following carboxylic acids is
MCQ+3 / -12019
2Biomolecules
Which of the following statement(s) is(are) true?
MCQM+4 / -12019
3Chemical Bonding And Molecular Structure
Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules posses permanent dipole moment at room temperature.
MCQM+4 / -12019
4Chemical Equilibrium
For the following reaction, the equilibrium constant Kc at 298 K is 1.6 \(\times\) 1017.Fe2+(aq) + S2-(aq) ⇌ FeS(s)When equal volumes of 0.06 M Fe2+(aq) and 0.2 M S2\(-\)(aq)solutions are mixed, the equilibrium concentration of Fe2+(aq)...
INTEGER+3 / -02019
5Chemical Kinetics And Nuclear Chemistry
In the decay sequence. x1, x2, x3 and x4 are particles/radiation emitted by the respective isotopes. The correct option(s) is(are)
MCQM+4 / -12019
6Chemical Kinetics And Nuclear Chemistry
Consider the kinetic data given in the following table for the reaction A + B + C \(\to\) Product. The rate of the reaction for [A] = 0.15 mol dm-3, [B] = 0.25 mol dm-3 and [C] = 0.15 mol dm-3 is found to be Y \(\times\) 10-5 mol dm-3s-...
INTEGER+3 / -02019
7Compounds Containing Nitrogen
Schemes 1 and 2 describe the conversion of P to Q and R to S, respectively. Scheme 3 describes the synthesis of T from Q and S. The total number of Br atoms in a molecule of T is .................
INTEGER+3 / -02019
8D And F Block Elements
The green colour produced in the borax bead test of a chromium (III) salt is due to
MCQ+3 / -12019
9D And F Block Elements
Fusion of MnO2 with KOH in presence of O2 produces a salt W. Alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese containing ions present in W and X, respectively, are Y and Z. Correct statement(s) is (are...
MCQM+4 / -12019
10Electrochemistry
Molar conductivity (\(\Lambda\)m) of aqueous solution of sodium stearate, which behaves as a strong electrolyte, is recorded at varying concentrations (C) of sodium stearate. Which one of the following plots provides the correct representa...
MCQ+3 / -12019
11Hydrocarbons
Choose the correct option(s) for the following set of reactions.
MCQM+4 / -12019
12Isolation Of Elements
Calamine, malachite, magnetic and cryolite, respectively, are
MCQ+3 / -12019
13P Block Elements
At 143 K, the reaction of XeF4 with O2F2 produces a xenon compound Y. The total number of lone pair(s) of electrons present on the whole molecule of Y is .................
INTEGER+3 / -02019
14P Block Elements
A tin chloride Q undergoes the following reactions (not balanced)\(Q + C{l^ - } \to X\)\(Q + M{e_3}N \to Y\)\(Q + CuC{l_2} \to Z + CuCl\)X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds.Choose the correct optio...
MCQM+4 / -12019
15P Block Elements
Among B2H6, B3N3H6, N2O, N2O4, H2S2O3 and H2S2O8, the total number of molecules containing covalent bond between two atoms of the same kind is ...................
INTEGER+3 / -02019
16Solutions
On dissolving 0.5 g of a non-volatile non-ionic solute to 39 g of benzene, its vapor pressure decreases from 650 mmHg to 640 mmHg. The depression of freezing point of benzene (in K) upon addition of the solute is .............(Given data: M...
INTEGER+3 / -02019
17Thermodynamics
Which of the following statement(s) is(are) correct regarding the root mean square speed (Urms) and average translational kinetic energy (Eav) of a molecule in a gas at equilibrium?
MCQM+4 / -12019
18Thermodynamics
Choose the reaction(s) from the following options, for which the standard enthalpy of reaction of equal to the standard enthalpy of formation.
MCQM+4 / -12019

More 2026 JEE Advanced papers