Which of the following compounds will produce a precipitate with AgNO3 ?

In the following compound, the favourable site/s for protonation is/are :

The major product obtained in the following conversion is

Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution:

The major product of the following reaction is :

The major product obtained in the following reaction is :

The correct match between Item I and Item II is : .tg {border-collapse:collapse;border-spacing:0;width:100%} .tg td{fo

For the equilibrium, 2H2O $$\rightleftharpoons$$ H3O+ + OH$$-$$, the value of $$\Delta $$Go at 298 K is approximately

$$\underline A \,\,\buildrel {4KOH,{O_2}} \over \longrightarrow \,\,\mathop {2\underline B }\limits_{\left( {Green} \ri

The coordination number of Th in K4[Th(C2O4)4(OH2)2] is : (C2O$${_4^{2 - }}$$ = Oxalato)

Given the equilibrium constant: KC of the reaction : Cu(s) + 2Ag+ (aq) $$ \to $$ Cu2+ (aq) + 2Ag(s) is 10 $$ \times $$

The number of bridging CO ligand(s) and Co-Co bond(s) in Co2(CO)8, respectively are :

The reaction 2X $$ \to $$ B is a zeroth order reaction. If the initial concentration of X is 0.2 M, the half-life is 6 h

A compound 'X' on treatment with Br2/NaOH, provided C3H9N, which gives positive carbylamine test. Compound 'X' is :

The standard reaction Gibbs energy for a chemical reaction at an absolute temperature T is given by $$\Delta $$rGo = A –

25 ml of the given HCl solution requires 30 mL of 0.1 M sodium carbonate solution. What is the volume of this HCl soluti

The de Broglie wavelength ($$\lambda $$) associated with a photoelectron varies with the frequency (v) of the incident r

The reaction, MgO(s) + C(s) $$ \to $$ Mg(s) + CO(g), for which $$\Delta $$rHo + 491.1 kJ mol–1 and $$\Delta $$rSo = 198.

K2Hgl4 is 40% ionised in aqueous solution. The value of its van't Hoff factor (i) is:

The correct option with respect to the Pauling electronegativity values of the element is :

Let x, y be positive real numbers and m, n positive integers. The maximum value of the expression $${{{x^m}{y^n}} \over

Let the length of the latus rectum of an ellipse with its major axis along x-axis and centre at the origin, be 8. If the

Let  S = {1, 2, . . . . . ., 20}. A subset B of S is said to be "nice", if the sum of the elements of B is 20

If a hyperbola has length of its conjugate axis equal to 5 and the distance between its foci is 13, then the eccentricit

The integral  $$\int\limits_{\pi /6}^{\pi /4} {{{dx} \over {\sin 2x\left( {{{\tan }^5}x + {{\cot }^5}x} \right

Let f(x) = $${x \over {\sqrt {{a^2} + {x^2}} }} - {{d - x} \over {\sqrt {{b^2} + {{\left( {d - x} \right)}^2}} }},\,\,$$

Let a function f : (0, $$\infty $$) $$ \to $$ (0, $$\infty $$) be defined by f(x) = $$\left| {1 - {1 \over x}} \right|$$

If   $$\int {{{x + 1} \over {\sqrt {2x - 1} }}} \,dx$$ = f(x) $$\sqrt {2x - 1} $$ + C, where C is a constant o

The area (in sq. units) in the first quadrant bounded by the parabola, y = x2 + 1, the tangent to it at the point (2, 5)

$$\mathop {\lim }\limits_{x \to 0} {{x\cot \left( {4x} \right)} \over {{{\sin }^2}x{{\cot }^2}\left( {2x} \right)}}$$ is

If  $$\left| {\matrix{ {a - b - c} & {2a} & {2a} \cr {2b} & {b - c - a} & {2b} \cr

Let $$\alpha $$ and $$\beta $$ be the roots of the quadratic equation x2 sin $$\theta $$ – x(sin $$\theta $$ cos $$\the

Let z be a complex number such that |z| + z = 3 + i (where i = $$\sqrt { - 1} $$). Then |z| is equal to :

If 19th term of a non-zero A.P. is zero, then its (49th term) : (29th term) is :

Let K be the set of all real values of x where the function f(x) = sin |x| – |x| + 2(x – $$\pi $$) cos |x| is not differ

The number of functions f from {1, 2, 3, ...., 20} onto {1, 2, 3, ...., 20} such that f(k) is a multiple of 3, whenever

The solution of the differential equation, $${{dy} \over {dx}}$$ = (x – y)2, when y(1) = 1, is :

If in a parallelogram ABDC, the coordinates of A, B and C are respectively (1, 2), (3, 4) and (2, 5), then the equation

If the area of the triangle whose one vertex is at the vertex of the parabola, y2 + 4(x – a2) = 0 and the othertwo verti

A circle cuts a chord of length 4a on the x-axis and passes through a point on the y-axis, distant 2b from the origin. T

All x satisfying the inequality (cot–1 x)2– 7(cot–1 x) + 10 > 0, lie in the interval :

Let $$\sqrt 3 \widehat i + \widehat j,$$    $$\widehat i + \sqrt 3 \widehat j$$  and &nbsp

The circuit shown below contains two ideal diodes, each with a forward resistance of 50 $$\Omega $$. If the battery volt

In the experimental set up of metre bridge shown in the figure, the null point is obtained at a distance of 40 cm from A

A string is wound around a hollow cylinder of mass 5 kg and radius 0.5m. If the string is now pulled with a horizontal f

In the circuit shown, the potential difference between A and B is :

Seven capacitors, each of capacitance 2 $$\mu $$F, are to be connected in a configuration to obtain an effective capacit

A circular disc D1 of mass M and radius R has two identical discs D2 and D3 of the same mass M and radius R attached rig

In a hydrogen like atom, when an electron jumps from the M-shell to the L-shell, the wavelength of emitted radiation is

The magnitude of torque on a particle of mass 1 kg is 2.5 Nm about the origin. If the force acting on it is 1 N, and the

A particle moves from the point $$\left( {2.0\widehat i + 4.0\widehat j} \right)$$ m, at t = 0, with an initial velocity

A copper wire is wound on a wooden frame, whose shape is that of an equilateral triangle. If the linear dimension of eac

If speed (V), acceleration (A) and force (F) are considered as fundamental units, the dimension of Young,s modulus will

A particle of mass m and charge q is in an electric and magnetic field given by $$\overrightarrow E = 2\widehat i + 3\w

A galvanometer having a resistance of 20 $$\Omega $$ and 30 divisions on both sides has figure of merit 0.005 ampere/div

In a photoelectric experiment, the wavelength of the light incident on a metal is changed from 300 nm to 400 nm. The dec

A thermometer graduated according to a linear scale reads a value x0 when in contact with boiling water, and x0/3 when i

A paramagnetic substance in the form of a cube with sides 1 cm has a magnetic dipole moment of 20 $$ \times $$ 10–6 J/ T

A monochromatic light is incident at a certain angle on an equilateral triangular prism and suffers minimum deviation. I

A 27 mW laser beam has a cross-sectional area of 10 mm2. The magnitude of the maximum electric field in this electromagn

A metal ball of mass 0.1 kg is heated upto 500oC and dropped into a vessel of heat capacity 800 JK–1 and containing 0.5

The mass and the diameter of a planet are three times the respective values for the Earth. The period of oscillation of

A particle of mass m is moving in a straight line with momentum p. Starting at time t = 0, a force F = kt acts in the sa

A pendulum is executing simple harmonic motion and its maximum kinetic energy is K1. If the length of the pendulum is do

An electric field of 1000 V/m is applied to an electric dipole at angle of 45o. The value of electric dipole moment is 1

When 100 g of a liquid A at 100oC is added to 50 g of a liquid B at temperature 75oC, the temperature of the mixture bec

Two rods A and B of identical dimensions are at temperature 30°C. If A is heated upto 180oC and B upto ToC, then the new

In a double-slit experiment, green light (5303$$\mathop A\limits^ \circ $$) falls on a double slit having a separation

The region between y = 0 and y = d contains a magnetic field $$\overrightarrow B = B\widehat z$$. A particle of mass m

In a process, temperature and volume of one mole of an ideal monoatomic gas are varied according to the relation VT = K,