The solubility of AgCN in a buffer solution of pH = 3 is x. The value of x is : [Assume : No cyano complex is formed; Ks

Which one of the following reactions will not form acetaldehyde?

The plots of radial distribution functions for various orbitals of hydrogen atom against 'r' are given below : The corre

Identify A in the given chemical reaction.

Given below are two statements :Statement I : CeO2 can be used for oxidation of aldehydes and ketones.Statement II : Aqu

Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution is/are :

Identify A and B in the chemical reaction.

Which of the glycosidic linkage between galactose and glucose is present in lactose?

According to molecular orbital theory, the species among the following that does not exist is :

Complete combustion of 1.80 g of an oxygen containing compound (CxHyOz) gave 2.64 g of CO2 and 1.08 g of H2O. The percen

The hybridization and magnetic nature of $${[Mn{(CN)_6}]^{4 - }}$$ and $${[Fe{(CN)_6}]^{3 - }}$$, respectively are :

The major product of the following chemical reaction is :

In which of the following pairs, the outer most electronic configuration will be the same?

Which of the following reaction/s will not give p-aminoazobenzene?

Using the provided information in the following paper chromatogram :Fig : Paper chromatography for compounds A and B.the

The reaction of cyanamide, NH2CN(s) with oxygen was run in a bomb calorimeter and $$\Delta$$U was found to be $$-$$742.2

The ionization enthalpy of Na+ formation from Na(g) is 495.8 kJ mol$$-$$1, while the electron gain enthalpy of Br is $$-

0.4 g mixture of NaOH, Na2CO3 and some inert impurities was first titrated with $${N \over {10}}$$ HCl using phenolphtha

In basic medium $$Cr{O_4}^{2 - }$$ oxidises $${S_2}{O_3}^{2 - }$$ to form $$S{O_4}^{2 - }$$ and itself changes into $$Cr

Consider the following chemical reaction. The number of sp2 hybridized carbon atom(s) present in the product is ________

1 molal aqueous solution of an electrolyte A2B3 is 60% ionised. The boiling point of the solution at 1 atm is _________

Among the following, the number of halide(s) which is/are inert to hydrolysis is _________.(A) BF3(B) SiCl4(C) PCl5(D) S

For the reaction, aA + bB $$ \to $$ cC + dD, the plot of log k vs $${1 \over T}$$ is given below :The temperature at whi

When a missile is fired from a ship, the probability that it is intercepted is $${1 \over 3}$$ and the probability that

The equation of the line through the point (0, 1, 2) and perpendicular to the line $${{x - 1} \over 2} = {{y + 1} \over

The value of $$\int\limits_{ - 1}^1 {{x^2}{e^{[{x^3}]}}} dx$$, where [ t ] denotes the greatest integer $$ \le $$ t, is

The integer 'k', for which the inequality x2 $$-$$ 2(3k $$-$$ 1)x + 8k2 $$-$$ 7 > 0 is valid for every x in R, is :

The total number of positive integral solutions (x, y, z) such that xyz = 24 is :

If a curve passes through the origin and the slope of the tangent to it at any point (x, y) is $${{{x^2} - 4x + y + 8} \

Let f, g : N $$ \to $$ N such that f(n + 1) = f(n) + f(1) $$\forall $$ n$$\in$$N and g be any arbitrary function. Which

Let the lines (2 $$-$$ i)z = (2 + i)$$\overline z $$ and (2 $$+$$ i)z + (i $$-$$ 2)$$\overline z $$ $$-$$ 4i = 0, (here

$$\mathop {\lim }\limits_{n \to \infty } {\left( {1 + {{1 + {1 \over 2} + ........ + {1 \over n}} \over {{n^2}}}} \right

Let $$\alpha$$ be the angle between the lines whose direction cosines satisfy the equations l + m $$-$$ n = 0 and l2 + m

The value of the integral $$\int {{{\sin \theta .\sin 2\theta ({{\sin }^6}\theta + {{\sin }^4}\theta + {{\sin }^2}\the

The coefficients a, b and c of the quadratic equation, ax2 + bx + c = 0 are obtained by throwing a dice three times. The

The image of the point (3, 5) in the line x $$-$$ y + 1 = 0, lies on :

The locus of the point of intersection of the lines $$\left( {\sqrt 3 } \right)kx + ky - 4\sqrt 3 = 0$$ and $$\sqrt 3 x

The graphs of sine and cosine functions, intersect each other at a number of points and between two consecutive points o

The total number of numbers, lying between 100 and 1000 that can be formed with the digits 1, 2, 3, 4, 5, if the repetit

If $$A = \left[ {\matrix{ 0 & { - \tan \left( {{\theta \over 2}} \right)} \cr {\tan \left( {{\theta \over

Let A1, A2, A3, ....... be squares such that for each n $$ \ge $$ 1, the length of the side of An equals the length of d

If the system of equationskx + y + 2z = 13x $$-$$ y $$-$$ 2z = 2$$-$$2x $$-$$2y $$-$$4z = 3has infinitely many solutions

The number of points, at which the function f(x) = | 2x + 1 | $$-$$ 3| x + 2 | + | x2 + x $$-$$ 2 |, x$$\in$$R is not di

Let $$\overrightarrow a = \widehat i + 2\widehat j - \widehat k$$, $$\overrightarrow b = \widehat i - \widehat j$$ and

Let f(x) be a polynomial of degree 6 in x, in which the coefficient of x6 is unity and it has extrema at x = $$-$$1 and

A proton, a deuteron and an $$\alpha$$ particle are moving with same momentum in a uniform magnetic field. The ratio of

A solid sphere of radius R gravitationally attracts a particle placed at 3R from its centre with a force F1. Now a spher

An $$\alpha$$ particle and a proton are accelerated from rest by a potential difference of 200V. After this, their de Br

The angular frequency of alternating current in a L-C-R circuit is 100 rad/s. The components connected are shown in the

Magnetic fields at two points on the axis of a circular coil at a distance of 0.05 m and 0.2 m from the centre are in th

Match List - I with List - II : List I List II (a) h (Planck's constant) (i)

Two satellites A and B of masses 200 kg and 400 kg are revolving round the earth at height of 600 km and 1600 km respect

Two coherent light sources having intensity in the ratio 2x produce an interference pattern. The ratio $${{{I_{\max }} -

An engine of a train, moving with uniform acceleration, passes the signal-post with velocity u and the last compartment

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.Assertion A : When

The pitch of the screw gauge is 1 mm and there are 100 divisions on the circular scale. When nothing is put in between t

If the time period of a two meter long simple pendulum is 2s, the acceleration due to gravity at the place where pendulu

A diatomic gas, having $${C_p} = {7 \over 2}R$$ and $${C_v} = {5 \over 2}R$$, is heated at constant pressure. The ratio

A 5V battery is connected across the points X and Y. Assume D1 and D2 to be normal silicon diodes. Find the current supp

A student is performing the experiment of resonance column. The diameter of the column tube is 6 cm. The frequency of th

In an octagon ABCDEFGH of equal side, what is the sum of $$\overrightarrow {AB} + \overrightarrow {AC} + \overrightarr

The current (i) at time t = 0 and t = $$\infty $$ respectively for the given circuit is :

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.Assertion A : The

A small bob tied at one end of a thin string of length 1 m is describing a vertical circle so that the maximum and minim

A monoatomic gas of mass 4.0 u is kept in an insulated container. Container is moving with velocity 30 m/s. If container

The same size images are formed by a convex lens when the object is placed at 20 cm or at 10 cm from the lens. The focal

A coil of inductance 2 H having negligible resistance is connected to a source of supply whose voltage is given by V = 3

The potential energy (U) of a diatomic molecule is a function dependent on r (interatomic distance) as $$U = {\alpha \o

The electric field in a region is given by $$\overrightarrow E = \left( {{3 \over 5}{E_0}\widehat i + {4 \over 5}{E_0}\

In a certain thermodynamical process, the pressure of a gas depends on its volume as kV3. The work done when the tempera

512 identical drops of mercury are charged to a potential of 2V each. The drops are joined to form a single drop. The po

A transmitting station releases waves of wavelength 960 m. A capacitor of 2.56 $$\mu$$F is used in the resonant circuit.