PracBeeLogin

JEE Advanced 2020 Paper 1 Offline

JEE Advanced / 18 questions

2026Sun, Sep 27, 2020 3:30 AM18 PYQs
1Aldehydes Ketones And Carboxylic Acids
In the reaction scheme shown below Q, R and S are the major products.The correct structure of
MCQM+4 / -22020
2Aldehydes Ketones And Carboxylic Acids
In the following reaction, compound Q is obtained from compound P via an ionic intermediateWhat is the degree of unsaturation of Q?
INTEGER+4 / -02020
3Basics Of Organic Chemistry
Which of the following structures has the IUPAC name3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?
MCQ+3 / -12020
4Basics Of Organic Chemistry
Newman projections P, Q, R and S are shown below :Which one of the following options represents identical molecules?
MCQ+3 / -12020
5Basics Of Organic Chemistry
With respect to the compounds I-V, choose the correct statement(s).
MCQM+4 / -22020
6Basics Of Organic Chemistry
The Fischer projection of D-erythrose is shown below : D-erythrose and its isomers are listed as P, Q, R, and S in Column - I. Choose the correct relationship of P, Q, R, and S with D-erythrose from Column - II.
MCQ+3 / -12020
7Chemical Equilibrium
Consider the reaction,A \(\rightleftharpoons\) Bat 1000 K. At time t', the temperature of the system was increased to 2000 K and the system was allowed to reach equilibrium. Throughout this experiment the partial pressure of A was maintai...
INTEGER+4 / -02020
8Chemical Kinetics And Nuclear Chemistry
\(_{92}^{238}U\) is known to undergo radioactive decay to form \(_{82}^{206}Pb\) by emitting alpha and beta particles. A rock initially contained 68 \(\times\) 10\(-\)6 g of \(_{92}^{238}U\). If the number of alpha particles that it would...
INTEGER+4 / -02020
9Coordination Compounds
Choose the correct statement(s) among the following :
MCQM+4 / -22020
10Electrochemistry
Consider a 70% efficient hydrogen-oxygen fuel cell working under standard conditions at 1 bar and 298 K. Its cell reaction is \({H_2}(g) + {1 \over 2}{O_2}(g)\buildrel {} \over \longrightarrow {H_2}O(l)\)The work derived from the cell on t...
INTEGER+4 / -02020
11Gaseous State
If the distribution of molecular speeds of a gas is as per the figure shown below, then the ratio of the most probable, the average, and the root mean square speeds, respectively, is
MCQ+3 / -12020
12Gaseous State
Aluminium reacts with sulphuric acid to form aluminium sulphate and hydrogen. What is the volume of hydrogen gas in litre (L) produced at 300 K and 1.0 atm pressure, when 5.4 g of aluminium and 50.0 mL of 5.0 M sulphuric acid are combined f...
INTEGER+4 / -02020
13Hydrogen
Which of the following liberates O2 upon hydrolysis?
MCQ+3 / -12020
14P Block Elements
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).
MCQM+4 / -22020
15P Block Elements
A colourless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of NaCl, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P and a...
MCQ+3 / -12020
16Solid State
The cubic unit cell structure of a compound containing cation M and anion X is shown below. When compared to the anion, the cation has smaller ionic radius. Choose the correct statement(s).
MCQM+4 / -22020
17Some Basic Concepts Of Chemistry
5.00 mL of 0.10 M oxalic acid solution taken in a conical flask is titrated against NaOH from a burette using phenolphthalein indicator. The volume of NaOH required for the appearance of permanent faint pink color is tabulated below for fiv...
INTEGER+4 / -02020
18Thermodynamics
In thermodynamics, the p-V work done is given by\(w = - \int {dV{p_{ext}}}\)For a system undergoing a particular process, the work done is \(w = - \int {dV\left( {{{RT} \over {V - b}} - {a \over {{V^2}}}} \right)}\)This equation is appl...
MCQM+4 / -22020

More 2026 JEE Advanced papers