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JEE Main 2019 (Online) 12th January Evening Slot

Exam Held on Sat Jan 12 2019 09:30:00 GMT+0000 (Coordinated Universal Time)
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Chemistry

$$ \wedge _m^ \circ $$ for NaCl, HCl and NaA are 126.4, 425.9 and 100.5 S cm<sup...
The major product of the following reaction is – <br><br><img src="https://image...
The major product in the following conversion is – <br><br><img src="https://im...
The major product of the following reaction is – <br><br><img src="https://imag...
The compound that is NOT a common component of photochemical smog is
Molecules of benzoic acid (C<sub>6</sub>H<sub>5</sub>COOH) dimerise in benzene. ...
The combination of plots which does not represent isothermal expansion of an ide...
The element that does NOT show catenation is -
The aldehydes which will not form Grignard product with one equivalent Grignard ...
If the de Broglie wavelength of the electron in n<sup>th</sup> Bohr orbit in a h...
Given <br><br>(i)&nbsp;&nbsp;C (graphite) + O<sub>2</sub>(g) $$ \to $$ CO<sub>2...
The upper stratosphere consisting of the ozone layer protects us from sun's radi...
8 g of NaOH is dissolved in 18g of H<sub>2</sub>O. Mole fraction of NaOH in solu...
The increasing order of the reactivity of the following with LiAlH<sub>4</sub> i...
For a reaction consider the plot of $$\ell $$n k versus 1/T given in the figure....
An open vessel at 27<sup>o</sup>C is heated until two fifth of the air (assumed ...
If K<sub>sp</sub> of Ag<sub>2</sub>CO<sub>3</sub> is 8 $$ \times $$ 10<sup>–12</...
The volume strength of 1M H<sub>2</sub>O<sub>2</sub> is (Molar mass of H<sub>2</...
The correct structure of histidine in a strongly acidic solution (pH = 2) is -
The two monomers for the synthesis of Nylon 6, 6 are
The element that shows greater ability to form p$$\pi $$-p$$\pi $$ multiple bond...
The pair that does NOT require calcination is -
The major product of the following reaction is – <br><br><img src="https://imag...
The correct order of atomic radii is -
Chlorine on reaction with hot and concentrated sodium hydroxide give -
Among the following the false statement is -
The magnetic moment of an octahedral homoleptic Mn(II) complex is 5.9 BM. The su...
The major product of the following reaction is – <br><br><img src="https://imag...
The correct statement (s) among I to III with respect to potassium ions that are...
The major product of the following reaction is – <br><br><img src="https://imag...

Mathematics

The expression $$ \sim $$ ($$ \sim $$ p $$ \to $$ q) is logically equivalent to ...
$$\mathop {\lim }\limits_{x \to {1^ - }} {{\sqrt \pi - \sqrt {2{{\sin }^{ - 1}...
There are m men and two women participating in a chess tournament. Each particip...
The equation of a tangent to the parabola, x<sup>2</sup> = 8y, which makes an a...
If the sum of the first 15 terms of the series $${\left( {{3 \over 4}} \right)^3...
If a curve passes through the point (1, –2) and has slope of the tangent at any ...
In a game, a man wins Rs. 100 if he gets 5 or 6 on a throw of a fair die and los...
The integral $$\int\limits_1^e {\left\{ {{{\left( {{x \over e}} \right)}^{2x}} -...
If a circle of radius R passes through the origin O and intersects the coordinat...
If sin<sup>4</sup>$$\alpha $$ + 4 cos<sup>4</sup>$$\beta $$ + 2 = 4$$\sqrt 2 $$ ...
Let S and S' be the foci of an ellipse and B be any one of the extremities of it...
The integral $$\int {{{3{x^{13}} + 2{x^{11}}} \over {{{\left( {2{x^4} + 3{x^2} +...
If the function f given by f(x) = x<sup>3</sup> – 3(a – 2)x<sup>2</sup> + 3ax +...
Let Z be the set of integers. <br>If A = {x $$ \in $$ Z : 2<sup>(x + 2) (x<sup>...
Let S be the set of all real values of $$\lambda $$ such that a plane passing th...
$$\mathop {\lim }\limits_{x \to \infty } \left( {{n \over {{n^2} + {1^2}}} + {n ...
In a class of 60 students, 40 opted for NCC, 30 opted for NSS and 20 opted for b...
If&nbsp;&nbsp; A = $$\left[ {\matrix{ 1 &amp; {\sin \theta } &amp; 1 \cr ...
Let z<sub>1</sub> and z<sub>2</sub> be two complex numbers satisfying | z<sub>1<...
If &nbsp;&nbsp;<sup>n</sup>C<sub>4</sub>, <sup>n</sup>C<sub>5</sub> and <sup>n</...
Let f be a differentiable function such that f(1) = 2 and f '(x) = f(x) for all ...
If the angle of elevation of a cloud from a point P which is 25 m above a lake b...
If an angle between the line, $${{x + 1} \over 2} = {{y - 2} \over 1} = {{z - 3}...
The tangent to the curve y = x<sup>2</sup> – 5x + 5, parallel to the line 2y = 4...
Let $$\overrightarrow a $$, $$\overrightarrow b $$ and $$\overrightarrow c $$ b...
If a straight line passing through the point P(–3, 4) is such that its intercept...
The mean and the variance of five observations are 4 and 5.20, respectively. If ...
The set of all values of $$\lambda $$ for which the system of linear equations <...
The number of integral values of m for which the quadratic expression, (1 + 2m)x...
The total number of irrational terms in the binomial expansion of (7<sup>1/5</su...

Physics

An ideal gas is enclosed in a cylinder at pressure of 2 atm and temperature 300 ...
A particle of mass 20 g is released with an initial velocity 5 m/s along the cur...
A galvanometer, whose resistance is 50 ohm, has 25 divisions in it. When a curre...
Two satellites, A and B, have masses m and 2m respectively. A is in a circular o...
A simple harmonic motion is represented by : <br><br>y = 5 (sin 3 $$\pi $$ t + $...
Let $$\ell $$, r, C and V represent inductance, resistance, capacitance and volt...
A block kept on a rough inclined plane, as shown in the figure, remains at rest ...
A plano-convex lens (focal length f<sub>2</sub>, refractive index $$\mu $$<sub>2...
In the given circuit diagram, the currents, I<sub>1</sub> = – 0.3 A, I<sub>4</su...
The moment of inertia of a solid sphere, about an axis parallel to its diameter ...
In a Frank-Hertz experiment, an electron of energy 5.6 eV passes through mercury...
A load of mass M kg is suspended from a steel wire of length 2m and radius 1.0 m...
In the figure, given that V<sub>BB</sub> supply can vary from 0 to 5.0 V, V<sub>...
When a certain photosensitive surface is illuminated with monochromatic light of...
A parallel plate capacitor with plates of area 1 m<sup>2</sup> each, are at a se...
A vertical closed cylinder is separated into two parts by a frictionless piston ...
A resonance tube is old and has jagged end. It is still used in the laboratory t...
An alpha-particle of mass m suffers 1-dimensional elastic collision with a nucle...
A 10 m long horizontal wire extends from North East to South West. It is falling...
The mean intensity of radiation on the surface of the Sun is about 10<sup>8</sup...
Two particles A, B are moving on two concentric circles of radii R<sub>1</sub> a...
The charge on a capacitor plate in a circuit, as a function of time, is shown in...
A long cylindrical vessel is half filled with a liquid. When the vessel is rotat...
A paramagnetic material has 10<sup>28</sup> atoms/m<sup>3</sup>. Its magnetic su...
A soap bubble, blown by a mechanical pump at the mouth of a tube, increases in v...
In the above circuit, C = $${{\sqrt 3 } \over 2}$$$$\mu $$F, R<sub>2</sub> = 20 ...
Formation of real image using a biconvex lens is shown below : <br><br><img src=...
To double the covering range of a TV transmittion tower, its height should be mu...
In a radioactive decay chain, the initial nucleus is $${}_{90}^{232}$$Th. At the...
In the circuit shown, find C if the effective capacitance of the whole circuit i...

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