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## JEE Main 2019 (Online) 9th April Morning Slot

Exam Held on Tue Apr 09 2019 03:30:00 GMT+0000 (Coordinated Universal Time)
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## Chemistry

The correct order of the oxidation states of nitrogen in NO, N<sub>2</sub>O, NO<...
The degenerate orbitals of [Cr(H<sub>2</sub>O)<sub>6</sub>]<sup>3+</sup> are :
The major product of the following reaction is : <img src="https://imagex.cdn.ex...
The organic compound that gives following qualitative analysis is :<br><br> <sty...
Excessive release of CO<sub>2</sub> into the atomosphere results in :
Which of the following statements is not true about sucrose?
The one that will show optical activity is :<br> (en = ethane-1,2-diamine)
Among the following, the molecule expected to be stabilized by anion formation i...
The given plots represent the variation of the concentration of a reactant R wit...
The major product of the following reaction is : <img src="https://imagex.cdn.ex...
For a reaction,<br> N<sub>2</sub>(g) + 3H<sub>2</sub>(g) $$\to$$ 2NH<sub>3</su...
The aerosol is a kind of colloid in which :
The correct IUPAC name of the following compound is : <img src="https://imagex.c...
The number of water molecule(s) not coordinated to copper ion directly in CuSO<s...
C<sub>60</sub>, an allotrope of carbon contains :
The osmotic pressure of a dilute solution of an ionic compound XY in water is fo...
Among the following, the set of parameters that represents path function, is :<b...
The standard Gibbs energy for the given cell reaction in kJ mol<sup>–1</sup> at ...
Consider the van der Waals constants, a and b, for the following gases.<br><br> ...
The ore that contains the metal in the form of fluoride is :
The major product of the following reaction is : <img src="https://imagex.cdn.ex...
The increasing order of reactivity of the following compounds towards aromatic e...
Magnisium powder burns in air to give:
The major product of the following reaction is :<br> $${\rm{C}}{{\rm{H}}_3}{\rm{... Liquid 'M' and liquid 'N' form an ideal solution. The vapour pressures of pure l... Aniline dissolved in dilute HCl is reacted with sodium nitrite at 0ºC. This solu... For any given series of spectral lines of atomic hydrogen, let$$\Delta \mathop ...
The element having greatest difference between its first and second ionization e...
The major product of the following reaction is :<br> <picture><source media="(ma...
Match the catalysts <b>(Column I)</b> with products <b>(Column II)</b>.<br><br> ...

## Mathematics

Let $$\overrightarrow \alpha = 3\widehat i + \widehat j$$ and $$\overrightarro... For any two statements p and q, the negation of the expression <br>p$$ \vee $$... The value of$$\int\limits_0^{\pi /2} {{{{{\sin }^3}x} \over {\sin x + \cos x}}d...
If ƒ(x) is a non-zero polynomial of degree four, having local extreme points at ...
Let ƒ(x) = 15 – |x – 10|; x $$\in$$ R. Then the set of all values of x, at whi...
If the standard deviation of the numbers –1, 0, 1, k is $$\sqrt 5$$ where k &gt;...
Let S be the set of all values of x for which the tangent to the curve <br>y = ...
Let p, q $$\in$$ R. If 2 - $$\sqrt 3$$ is a root of the quadratic equation, x<...
All the points in the set<br> $$S = \left\{ {{{\alpha + i} \over {\alpha - i}}... Slope of a line passing through P(2, 3) and intersecting the line, x + y = 7 at ... If the fourth term in the binomial expansion of$${\left( {{2 \over x} + {x^{{{\...
A committee of 11 members is to be formed from 8 males and 5 females. If m is th...
The solution of the differential equation<br> $$x{{dy} \over {dx}} + 2y$$ = x<su...
A plane passing through the points (0, –1, 0) and (0, 0, 1) and making an angle ...
Let the sum of the first n terms of a non-constant A.P., a<sub>1</sub>, a<sub>2<...
The integral $$\int {{\rm{se}}{{\rm{c}}^{{\rm{2/ 3}}}}\,{\rm{x }}\,{\rm{cose}}{{... The area (in sq. units) of the region <br><br>A = {(x, y) : x<sup>2</sup>$$ \le...
Let $$\alpha$$ and $$\beta$$ be the roots of the equation x<sup>2</sup> + x + ...
Let $$\sum\limits_{k = 1}^{10} {f(a + k) = 16\left( {{2^{10}} - 1} \right)}$$ w...
If the tangent to the curve, y = x<sup>3</sup> + ax – b at the point (1, –5) is ...
Four persons can hit a target correctly with probabilities $${1 \over 2}$$, $${1... If the line,$${{x - 1} \over 2} = {{y + 1} \over 3} = {{z - 2} \over 4}$$meets... If the line y = mx + 7$$\sqrt 3 $$is normal to the hyperbola$${{{x^2}} \over {...
The value of cos<sup>2</sup>10° – cos10°cos50° + cos<sup>2</sup>50° is
Let S = {$$\theta$$ $$\in$$ [–2$$\pi$$, 2$$\pi$$] : 2cos<sup>2</sup>$$\thet... If a tangent to the circle x<sup>2 </sup>+ y<sup>2 </sup> = 1 intersects the coo... If the function ƒ defined on ,$$\left( {{\pi \over 6},{\pi \over 3}} \right)$... If one end of a focal chord of the parabola, y<sup>2</sup> = 16x is at (1, 4), t... If $$\left[ {\matrix{ 1 &amp; 1 \cr 0 &amp; 1 \cr } } \right]\left[ ... If the function ƒ : R – {1, –1}$$ \to $$A defined by <br> ƒ(x) =$${{{x^2}} \o... ## Physics In the density measurement of a cube, the mass and edge length are measured as (... An HCl molecule has rotational, translational and vibrational motions. If the rm... A wire of resistance R is bent to form a square ABCD as shown in the figure. The... Following figure shows two processes A and B for a gas. If $$\Delta$$Q<sub>A</s... The total number of turns and cross-section area in a solenoid is fixed. However... A simple pendulum oscillating in air has period T. The bob of the pendulum is co... Determine the charge on the capacitor in the following circuit : <picture><sourc... A system of three charges are placed as shown in the figure :<br><br> <img src="... A body of mass 2 kg makes an eleastic collision with a second body at rest and c... The stream of a river is flowing with a speed of 2km/h. A swimmer can swim at a ... A solid sphere of mass 'M' and radius 'a' is surrounded by a uniform concentric ... The pressure wave, P = 0.01 sin [1000t – 3x] Nm<sup>–2</sup>, corresponds to the... An NPN transistor is used in common emitter configuration as an amplifier with 1... A moving coil galvanometer has resistance 50$$\Omega$$ and it indicates full de... The electric field of light wave is given as $$\overrightarrow E = {10^{ - 3}}... A ball is thrown vertically up (taken as +z-axis) from the ground. The correct m... A capacitor with capacitance 5μF is charged to 5μC. If the plates are pulled apa... The figure shows a Young's double slit experimental setup. It is observed that w... A rigid square loop of side 'a' and carrying current I<sub>2</sub> is lying on a... A string is clamped at both the ends and it is vibrating in its 4th harmonic. Th... The following bodies are made to roll up (without slipping) the same inclined pl... A stationary horizontal disc is free to rotate about its axis. When a torque is ... A uniform cable of mass 'M' and length 'L' is placed on a horizontal surface suc... The magnetic field of a plane electromagnetic wave is given by :<br>$$$\overlin...
If 'M' is the mass of water that rises in a capillary tube of radius 'r', then m...
Taking the wavelength of first Balmer line in hydrogen spectrum (n = 3 to n = 2)...
A concave mirror for face viewing has focal length of 0.4 m. The distance at whi...
A rectangular coil (Dimension 5 cm × 2.5 cm) with 100 turns, carrying a current ...
A signal Acoswt is transmitted using v<sub>0</sub> sin $$\omega$$<sub>0</sub>t ...
For a given gas at 1 atm pressure, rms speed of the molecule is 200 m/s at 127°C...

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