| 2024-09-24 | State and explain Hess’s Law of Constant Heat Summation with a suitable example..... | 0:00 | 3 | |
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| 2024-09-24 | Which one of the following molecular hydrides acts as a Lewis acid?.... | 0:00 | 0 | |
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| 2024-09-24 | A thermally isolated cylindrical closed vessel of height8 m is kept vertically. It is divid.... | 0:00 | 2 | |
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| 2024-09-24 | In which of the following pairs, the two species are isostructural?.... | 0:00 | 3 | |
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| 2024-09-24 | Account for the following :Transition metals form large number of complex compounds..... | 0:00 | 5 | |
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| 2024-09-24 | A mass \(m\) moves in a circle on a smooth horizontal plane with velocity \(v_0\) at a radius \(.... | 0:00 | 11 | |
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| 2024-09-24 | (a) Liquid A and B on mixing produce a warm solution. Which type of deviation does this solution.... | 0:00 | 5 | |
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| 2024-09-24 | The formation of the oxide ion, \(O ^{2-}( g )\) from oxygen atom requires first an exothermic s.... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following statements is not correct?.... | 0:00 | 70 | |
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| 2024-09-24 | What volume of 10 M HCl and 3 M HCl should be mixed to get 1 L of 6M HCl solution?.... | 0:00 | 25 | |
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| 2024-09-24 | Carry out the following conversions :\nAniline to Phenol.... | 0:00 | 0 | |
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| 2024-09-24 | What is the correct electronic configuration of the central atom in K4Fe(CN)6 based on crystal f.... | 0:00 | 4 | |
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| 2024-09-24 | Consider two reactions.
The mechanism of reactions (1) and (2) are respectively:.... | 0:00 | 5 | |
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| 2024-09-24 | Which of the following two species in the pair are isostructural?.... | 0:00 | 4 | |
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| 2024-09-24 | Briefly describe how the current sensitivity of a moving coil galvanometer can be increased..... | 0:00 | 4 | |
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| 2024-09-24 | \nAssertion (A):\nThe maximum number of electrons in a subshell is \\( 2(2 l+1) \\).\n\nReason (.... | 0:00 | 1 | |
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| 2024-09-24 | Assertion: Benzoic acid does not give Friedel-Crafts reaction.Reason : The carboxyl group is dea.... | 0:00 | 1 | |
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| 2024-09-24 | In a triangle ABC, let AB=23,BC=3 and CA=4. Then the value of cotA+cotCcotB is ...... ..... | 0:00 | 3 | |
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| 2024-09-24 | Which of the following statement is incorrect?.... | 0:00 | 6 | |
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| 2024-09-24 | Which is the correct symbol relating the two Kekule structures of benzene?.... | 0:00 | 2 | |
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| 2024-09-24 | Consider the circuit shown in the figure. Find the effective resistance of the circuit and the c.... | 0:00 | 7 | |
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| 2024-09-24 | Which of the following complex species is not expected to exhibit optical isomerism?.... | 0:00 | 0 | |
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| 2024-09-24 | Write the genotypes of the individuals ' \\(\\mathrm{C}\\) ', ' \\(\\mathrm{D}\\) ' and ' \\(\\m.... | 0:00 | 2 | |
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| 2024-09-24 | Find the coordinates of the foot of the perpendicular Q drawn from P(3, 2, 1) to the plane 2x &n.... | 0:00 | 3 | |
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| 2024-09-24 | The ratio of frequencies of fundamental harmonic produced by an open pipe to that of a closed pi.... | 0:00 | 4 | |
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| 2024-09-24 | In sky wave mode of propagation, why is the frequency range of transmitting signals restricted t.... | 0:00 | 2 | |
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| 2024-09-24 | Which of the following alkenes can be used to prepare 1-Bromo-1-methylcyclopentane by the additi.... | 0:00 | 5 | |
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| 2024-09-24 | The most common product made by certain bacteria having a great impact on human health is :.... | 0:00 | 1 | |
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| 2024-09-24 | The functionf(x)=sin4x+cos4x increases, if.... | 0:00 | 3 | |
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| 2024-09-24 | Dependence of intensity of gravitational field (E) of earth with distance (r) from center of ear.... | 0:00 | 5 | |
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| 2024-09-24 | (i) Write the truth tables of the logic gates marked P and Q in the given circuit.\n(ii) Write t.... | 0:00 | 4 | |
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| 2024-09-24 | In a potentiometer experiment, the balancing with a cell is at length \(150 cm\). On shunting th.... | 0:00 | 3 | |
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| 2024-09-24 | In a zero-order reaction for every 10°C rise of temperature, the rate is doubled. If t.... | 0:00 | 0 | |
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| 2024-09-24 | Calculate the radius of curvature of an equi-concave lens of refractive index 1.5, when it is ke.... | 0:00 | 8 | |
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| 2024-09-24 | An electric dipole of dipole moment \\(\\vec{p}\\) is initially kept in a uniform electric field.... | 0:00 | 2 | |
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| 2024-09-24 | Define escape velocity obtain an expression for escape velocity of a body from the surface of ea.... | 0:00 | 5 | |
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| 2024-09-24 | Show that the time period (T) of oscillations of a freely suspended magnetic dipole of magnetic .... | 0:00 | 11 | |
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| 2024-09-24 | The random variable \\(X\\) has a probability distribution \\(P ( X )\\) of the following form, .... | 0:00 | 5 | |
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| 2024-09-24 | The hypothetical complex chloro diaquatriammine cobalt (III) chloride can be represented as:.... | 0:00 | 3 | |
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| 2024-09-24 | (a) State two distinguishing features of nuclear force.(b) Draw a plot showing the variation of .... | 0:00 | 2 | |
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| 2024-09-24 | Draw V - I characteristics of a p-n junction diode. Explain how these characteristics make a dio.... | 0:00 | 5 | |
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| 2024-09-24 | (a) Name the product formed when Propyne is treated with aqueous H2SO4 in the presence of dil. H.... | 0:00 | 2 | |
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| 2024-09-24 | X and Y are two points with position vectors 3a→+b→ and a→-3b&#.... | 0:00 | 0 | |
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| 2024-09-24 | Two long parallel wires are at a distance2d apart. They carry steady equal currents flowing out .... | 0:00 | 4 | |
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| 2024-09-24 | From the four successive transition elements (Cr,Mn,Feand Co), the stability of +2 oxidation sta.... | 0:00 | 5 | |
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| 2024-09-24 | The magnetic susceptibility χ of a given material is -0.5 . Identify the magnetic mate.... | 0:00 | 1 | |
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| 2024-09-24 | The threshold voltage for a p-n junction diode used in the circuit is \\(0.7 \\mathrm{~V}\\). Th.... | 0:00 | 6 | |
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| 2024-09-24 | Complete the following reactions:\n(i) CH3CH2Br →Alc. KOH (ii) CH.... | 0:00 | 1 | |
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| 2024-09-24 | Form the differential equation representing the family of curves y=Ax+5, by eliminating the arbi.... | 0:00 | 5 | |
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| 2024-09-24 | Draw the structure of semicarbazone of cyclopentanone..... | 0:00 | 4 | |
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| 2024-09-24 | Method by which Aniline cannot be prepared is:.... | 0:00 | 1 | |
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| 2024-09-24 | (a) What do you understand by ‘sharpness of resonance’ for a series LCR resonant cir.... | 0:00 | 3 | |
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| 2024-09-24 | On what factors does the range of coverage in ground wave propagation depend ?.... | 0:00 | 0 | |
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| 2024-09-24 | (a) What is the name of the Prussian blue coloured compound formed in Lassaigne’s test for.... | 0:00 | 3 | |
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| 2024-09-24 | Find the vector equation of the line which passes through the point \\((3,4,5)\\) and is paralle.... | 0:00 | 2 | |
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| 2024-09-24 | Differentiate between the threshold voltage and the breakdown voltage for a diode..... | 0:00 | 1 | |
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| 2024-09-24 | Which one of the following reaction sequence is incorrect method to prepare phenol? .... | 0:00 | 6 | |
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| 2024-09-24 | Let X be a random variable which assumes values x1, x2, x3, x4 such that 2P(X = x1) = 3P(X = x2).... | 0:00 | 4 | |
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| 2024-09-24 | The potential difference across the resistor is 160 V and that across the inductor is 120&#.... | 0:00 | 5 | |
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| 2024-09-24 | Select the incorrect statement regarding molecular orbital theory?.... | 0:00 | 0 | |
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| 2024-09-24 | If a line makes angles \\(90^{\\circ}, 135^{\\circ}, 45^{\\circ}\\) with the \\(x, y\\) and \\(z.... | 0:00 | 2 | |
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| 2024-09-24 | (a) Write the IUPAC name and hybridisation of the complex CoF63-. (Given : Atomic number of Co=2.... | 0:00 | 5 | |
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| 2024-09-24 | Which of the following is least likely to behave as Lewis base?.... | 0:00 | 2 | |
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| 2024-09-24 | If \\(y \\cdot \\sqrt{x^2+1}=\\log \\left(\\sqrt{x^2+1}-x\\right)\\), show that \\(\\left(x^2+1\.... | 0:00 | 2 | |
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| 2024-09-24 | Form the differential equation representing the family of curves y2 = m(a2 – x2) by elimin.... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following statement is incorrect.... | 0:00 | 2 | |
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| 2024-09-24 | If the distance of the point \\((1,1,1)\\) from the plane \\(x-y+z+\\lambda=0\\) is \\(\\frac{5}.... | 0:00 | 1 | |
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| 2024-09-24 | An alternating voltage of \\(220 \\mathrm{~V}\\) is applied across a device \\(\\mathrm{X}\\). A.... | 0:00 | 6 | |
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| 2024-09-24 | The bond length between hybridized carbon atom and other carbon atom is minimum in.... | 0:00 | 4 | |
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| 2024-09-24 | Find the angle between the line \\(\\vec{r}=(2 \\hat{i}-\\hat{j}+3 \\hat{k})+\\lambda(3 \\hat{i}.... | 0:00 | 3 | |
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| 2024-09-24 | Using integration, find the area of the greatest rectangle that can be inscribed in an ellipse&n.... | 0:00 | 3 | |
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| 2024-09-24 | In which of the following octahedral complexes of \(Co\) (At no. 27) will the magnitude of \(\De.... | 0:00 | 0 | |
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| 2024-09-24 | Find the general solution of the following differential equation :\\[\\left(4+y^2\\right)(3+\\lo.... | 0:00 | 0 | |
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| 2024-09-24 | (a) Explain briefly the fact that electromagnetic waves carry energy.\n(b) Why do we not feel th.... | 0:00 | 0 | |
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| 2024-09-24 | The correct order of dipole moments for molecules NH3, H2 S,CH4 and HF, is:.... | 0:00 | 37 | |
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| 2024-09-24 | If \\(\\log \\left(x^2+y^2\\right)=2 \\tan ^{-1}\\left(\\frac{ y }{x}\\right)\\), show that \\(\.... | 0:00 | 2 | |
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| 2024-09-24 | Find the order and degree (if defined) of the differential equation\\[\\frac{d^2 y}{d x^2}+x\\le.... | 0:00 | 4 | |
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| 2024-09-24 | Which of the following is an organometallic compound?.... | 0:00 | 0 | |
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| 2024-09-24 | Two balls are drawn at random from a bag containing 2 red balls and 3 blue balls, without .... | 0:00 | 5 | |
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| 2024-09-24 | Unpolarised light passes from a rarer into a denser medium. If the reflected and the refracted r.... | 0:00 | 2 | |
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| 2024-09-24 | Inductive effect is of permanent nature while electromeric effect is only temporary. Explain..... | 0:00 | 4 | |
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| 2024-09-24 | Evaluate :\\[\\int_0^1 x(1-x)^n d x\\].... | 0:00 | 0 | |
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| 2024-09-24 | Find:\\[\\int \\frac{17}{(2 x+1)\\left(x^2+4\\right)} d x\\].... | 0:00 | 0 | |
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| 2024-09-24 | Of the isomeric hexanes, the isomers that give the minimum and maximum number of monochloro deri.... | 0:00 | 4 | |
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| 2024-09-24 | How many ions are produced from the complex \\(\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\right)_.... | 0:00 | 1 | |
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| 2024-09-24 | Organic farmer use Trichoderma and Baculovirus as biological control agents. Explain..... | 0:00 | 8 | |
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| 2024-09-24 | Two stages of lnsulin (Stage \( P \) and stage \( Q \) ) are shown in the diagram. Select the co.... | 0:00 | 6 | |
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| 2024-09-24 | Define the following terms with an example of each :\nMultimolecular colloid.... | 0:00 | 2 | |
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| 2024-09-24 | {"english":"Find :\n\\(\\int \\frac{\\sin 3 \\mathrm{x}}{\\sin \\mathrm{x}} \\mathrm{dx}\\).... | 0:00 | 2 | |
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| 2024-09-24 | \\(\\int \\frac{e^x(1+x)}{\\cos ^2\\left(x e^x\\right)} d x\\) is equal to.... | 0:00 | 4 | |
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| 2024-09-24 | Name a transition element in 3d series\n(I) which does not exhibit variable oxidation states, an.... | 0:00 | 2 | |
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| 2024-09-24 | Write the structure of the main products formed in the following reactions :\n.... | 0:00 | 4 | |
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| 2024-09-24 | The vector equation of XY-plane is.... | 0:00 | 3 | |
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| 2024-09-24 | The principal value of \\(\\cot ^{-1}(-\\sqrt{3})\\) is.... | 0:00 | 0 | |
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| 2024-09-24 | Arrange the following compounds in the increasing order of their property indicated : (Any two)\.... | 0:00 | 3 | |
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| 2024-09-24 | The area of a triangle with vertices \\((-2,0),(2,0)\\) and \\((0, \\mathrm{k})\\) is 4 sq. unit.... | 0:00 | 4 | |
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| 2024-09-24 | Convert the following :Propan-1-ol to 2-Bromopropanoic acid.... | 0:00 | 1 | |
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| 2024-09-24 | Name a Restriction endonuclease and write (i) palindromic recognition sequence that it recognize.... | 0:00 | 2 | |
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| 2024-09-24 | IUPAC name of PtNH33(Br)NO2ClCl is:.... | 0:00 | 7 | |
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| 2024-09-24 | (i) What is a wavefront? What is the direction of a beam of light with respect to the wavefront .... | 0:00 | 4 | |
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