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JEE MAIN EXAMINATION - QUESTION WITH SOLUTION. PAPER CODE - A. Fastest Growing Institute of Kota (Raj.) FOR JEE Advanced (IIT-JEE) | JEE. Solutions to JEE(Main) PAPER – 1 CHEMSITRY, MATHEMATICS & PHYSICS. Important Instructions: 1. The test is of 3 hours duration. 2. The Test Booklet. JEE-MAIN Paper and Solution (2). (Pg. 2). Read the following instructions carefully: 1. The candidates should fill in the required particulars on the Test.

If 12 identical balls are to be placed in 3 identical boxes, then the probability that one the boxes contains exactly 3 balls is 1. So, its shape will change as shown. The black body radiation inside it can be considered as an ideal gas of photons with internal energy per unit volume u. Use of pencil is strictly prohibited. On a hot summer night, the refractive index of air is smallest near the ground and increases with height form the ground. Down the group strength of van der Waal's force of attraction increases hence Xe have highest boiling point.

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School Syllabus. Revision Notes. Answer 3 Sol. The vapour pressure of acetone at 20C is torr. When 1. The molar mass g mol1 of the substance is. Two faraday of electricity is passed through a solution of CuSO4. The mass of copper deposited at the cathode is at. Higher order greater than 3 for reaction is rare because there is low probability of simultaneous collision of all the reacting species. The reaction proceeds 2 2 in the: After an hour it was filtered and the strength of the filtrate was found to be 0.

The amount of acetic acid adsorbed per gram of charcoal is. In the context of the Hall-Heroult process for the extraction of Al, which of the following statement is false? Answer 1 Sol. H2O2 can be reduced or oxidised.

Hence, it can act as reducing as well as oxidising agent. Down the group strength of van der Waal's force of attraction increases hence Xe have highest boiling point. Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy? For geometrical isomerism doubly bonded carbon must be bonded to two different groups which is only satisfied by 1 - Phenyl - 2 - butene. Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Required temperature for above reaction is around C which is a quite high temperature. This reaction is observed during thunderstorm. In Carius method of estimation of halogens, mg of an organic compound gave mg of AgBr. The percentage of bromine in the compound is At. The synthesis of alkyl fluorides is best accomplished by 1 Free radical fluorination. Let A and B be two sets containing four and two elements respectively. Then the number of subsets of the set A B, each having at least three elements is 1 Suppose z1 and z2 are complex numbers such that.

Two elements. The number of integers greater than 6, that can be formed, using the digits 3, 5, 6, 7 and 8, without repetition, is.

It is best option. Theoretically question is wrong, because initial condition is not given.

The area in sq. The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices 0, 0 , 0, 41 and 41, 0 , is. If the point P divides the line segment OQ internally in the ratio 1: The distance of the point 1, 0, 2 from the point of. The mean of the data set comprising of 16 observations is If one of the observation valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data, is.

If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30, 45 and 60 respectively, then the ratio, AB: BC, is 1. If 12 identical balls are to be placed in 3 identical boxes, then the probability that one the boxes contains exactly 3 balls is 1. Flag for inappropriate content.

Related titles. Jump to Page. Search inside document. Test Booklet Code A Regd. The test is of 3 hours duration. The Test Booklet consists of 90 questions. The maximum marks are If the radius of its base is R and its height is h then z0 is equal to 1 M' Answer 2 Sol. If the Young's modulus of the material of the wire is Y then i Sequentially keeping in contact with 2 reservoirs such that each reservoir supplies same amount of heat.

Entropy change of the body in the two cases respectively is Answer 1 9. The black body radiation inside it can be considered as an ideal gas of photons with internal energy per unit volume u 1 U T 4 and V 1 2 Answer 3 3 1 U pressure P. If the shell now undergoes an 3V Sol. The field line should resemble that of a dipole. PE Figures are drawn schematically and are not to scale dQ dQ 2 0, 2 0 dC dC If the electron density in the wire is 8 m3, the resistivity of the material is close to 1 F C 1 1.

A rectangular loop of sides 10 cm and 5 cm carrying a current I of 12 A is placed in different orientations as shown in the figures below: Net force on each of them would be zero. The amplitude of the electric field of the light at a distance of 1 m from the diode is 1 a and b , respectively 2 a and c , respectively 3 b and d , respectively 1 1.

When a light beam is directed horizontally, the Huygen's principle leads us to conclude that as it travels, the light beam Answer 1 Sol. So, its shape will change as shown Franck-Hertz exp. Discrete energy level.

Diffraction of electron beam. L1 The intermolecular interaction that is dependent on the inverse cube of distance between the molecules is 1 1 4 1 Ion-ion interaction 2 Ion-dipole interaction 3 London force 4 Hydrogen bond Answer 4 Sol. The following reaction is performed at K. Edge length of BCC is 4.

Which of the following is the energy of a possible excited state of hydrogen? The molar mass g mol1 of the substance is Now Q C 2 64 Vapour pressure of pure acetone PA torr 2 At a given time, the composition of the reaction mixture Sol. BeSO4 has hydration energy greater than its lattice energy.

Which among the following is the most reactive?

Hence, option 1 is correct. The ionic radii in of N 3 , O 2 and F are respectively 2 Br2 1 1.

Because of polarity and weak bond interhalogen compounds are more reactive. Answer 3 Match the catalysts to the correct processes: TiCl3 i Wacker process b. PdCl2 ii Ziegler-Natta polymerization c. CuCl2 iii Contact process that is 1. In Hall-Heroult process Al2O3 molten is electrolyte. PdCl2 Wacker process From the following statement regarding H 2O 2, choose the incorrect statement CuCl2 - Deacon's process Which one has the highest boiling point?

Which of the following compounds will exhibit geometrical isomerism? Answer 2 a Sol. O3 Zn The synthesis of alkyl fluorides is best accomplished by 1 Free radical fluorination Answer 1 2 Sandmeyer's reaction Sol. Which compound would give 5-ketomethyl hexanal upon ozonolysis? In the following sequence of reactions: Glyptal is used in manufacture of paints and CHO lacquires.

Which of the vitamins given below is water soluble? Vitamin C is water soluble vitamin. COOH Which of the following compounds is not an antacid? Phenelzine is not antacid, it is anti-depressant.

CH3 Which of the following compounds is not colored yellow? Then the number of subsets of the set A B, each having at least three elements is 1 2 3 4 The sum of coefficients of integral powers of x in 2 Is a singleton 3 Contains two elements 4 Contains more than two elements Answer 3 Sol.

The number of integers greater than 6, that can be formed, using the digits 3, 5, 6, 7 and 8, without repetition, is 1 4 l2mn 2 4 lm2n 3 4 lmn2 4 4 l2m2n2 Answer 2 1 2 Sol. If the function. The integral Answer 3 Sol.