| 2024-10-07 | In the reaction \\(R - OH + HCl \\xrightarrow{ ZnCl _2} RCl + H _2 O\\), what is the correct ord.... | 0:00 | 6 | |
|
| 2024-10-07 | Answer the following questions on the basis of the figure given below :\n(i) Which element in 3d.... | 0:00 | 4 | |
|
| 2024-10-07 | {"english":"Find the distance of the point \\((-1,-5,-10)\\) from the point of intersection of t.... | 0:00 | 3 | |
|
| 2024-10-07 | Give reasons why :.... | 0:00 | 6 | |
|
| 2024-10-07 | Write the chemical equation involved in the following reactions :(a) Reimer-Tiemann reaction(b) .... | 0:00 | 13 | |
|
| 2024-10-07 | Calculate the overall order of the reaction whose rate law expression was predicted as :\n .... | 0:00 | 6 | |
|
| 2024-10-07 | Hoffmann Bromamide Degradation reaction is given by :.... | 0:00 | 7 | |
|
| 2024-10-07 | Differentiate between the following :Peptide linkage and Glycosidic linkage.... | 0:00 | 7 | |
|
| 2024-10-07 | Assertion (A) : Osmotic pressure is a colligative property.Reason (R) : Osmotic pressure is prop.... | 0:00 | 6 | |
|
| 2024-10-07 | Let \\(\\vec{a}\\) and \\(\\vec{b}\\) be two unit vectors and \\(\\theta\\) is the angle between.... | 0:00 | 15 | |
|
| 2024-10-07 | Using properties of determinants show that\\[\\left|\\begin{array}{ccc}1+\\mathrm{a}^2-\\mathrm{.... | 0:00 | 6 | |
|
| 2024-10-07 | Write the two conditions for collisions to be effective collisions..... | 0:00 | 4 | |
|
| 2024-10-07 | Given below is the decomposition of hydrogen peroxide in alkaline medium, which is catalysed by .... | 0:00 | 8 | |
|
| 2024-10-07 | Solve the following system of equations by matrix method :\\[\\begin{aligned}& x+2 y+3 z=6 \.... | 0:00 | 4 | |
|
| 2024-10-07 | Nucleotides and amino acids are vital building blocks in biology, but although nature has master.... | 0:00 | 6 | |
|
| 2024-10-07 | Explain briefly :(a) Carbylamine reaction(b) Gabriel phthalimide synthesis.... | 0:00 | 4 | |
|
| 2024-10-07 | If \\(y=e^x+e^{-x}\\), then show that \\(\\frac{d y}{d x}=\\sqrt{y^2-4}\\)..... | 0:00 | 5 | |
|
| 2024-10-07 | (a) \\(\\xrightarrow{ PCl _5}{ }^{\\prime} A^{\\prime} \\xrightarrow{ AgCN }{ }^{\\prime} B ^{\.... | 0:00 | 4 | |
|
| 2024-10-07 | Find the inverse of the following matrix, using elementary transformations :A=231241372.... | 0:00 | 113 | |
|
| 2024-10-07 | Which of the following is affected by catalyst? .... | 0:00 | 2 | |
|
| 2024-10-07 | Write chemical equations for the following reactions :Propanone is treated with dilute \\(\\math.... | 0:00 | 8 | |
|
| 2024-10-07 | Classify the following polymers on the basis of molecular forces :(a) Vulcanized rubber(b) Teryl.... | 0:00 | 2 | |
|
| 2024-10-07 | Why does \\(\\mathrm{Cu}^{2+}\\) solution give blue colour on reaction with ammonia?.... | 0:00 | 4 | |
|
| 2024-10-07 | A first order reaction is \\(50 \\%\\) complete in 30 minutes at \\(300 K\\) and in 10 minutes a.... | 0:00 | 21 | |
|
| 2024-10-07 | Write the main product in the following reactions :\n.... | 0:00 | 6 | |
|
| 2024-10-07 | Write the structure of 1-chloro-4-ethylcyclohexane..... | 0:00 | 14 | |
|
| 2024-10-07 | If \\(x=a \\cos \\theta\\) and \\(y=b \\sin \\theta\\), then prove that \\(\\frac{d^2 y}{d x^2}=.... | 0:00 | 5 | |
|
| 2024-10-07 | The half-life for a zero order reaction equals :where \\(R\\) is the initial concentration..... | 0:00 | 7 | |
|
| 2024-10-07 | Why does ammonia readily form a complex whereas ammonium does not?.... | 0:00 | 4 | |
|
| 2024-10-07 | Consider the elements N, P, O and S and arrange them is order of :
(i) increasing ist ionisation.... | 0:00 | 4 | |
|
| 2024-10-07 | Assertion (A) : Albumin is a globular protein.\nReason (R): Polypeptide chain coils around to gi.... | 0:00 | 6 | |
|
| 2024-10-07 | Identify the dispersed phase and dispersion medium in the following colloids :(a) Fog(b) Milk.... | 0:00 | 7 | |
|
| 2024-10-07 | Write the product formed when p-nitrochlorobenzene is heated with aqueous \\(\\mathrm{NaOH}\\) a.... | 0:00 | 11 | |
|
| 2024-10-07 | What happens when(i) Anisole is treated with \\(CH _3 Cl /\\) anhydrous \\(AlCl l_3\\) ?(ii) Phe.... | 0:00 | 6 | |
|
| 2024-10-07 | Solve the following homogeneous differential equation :\\[x \\frac{d y}{d x}=x+y\\].... | 0:00 | 8 | |
|
| 2024-10-07 | Define the following terms with a suitable example in each :Disinfectants.... | 0:00 | 12 | |
|
| 2024-10-07 | The glycosidic linkage involved in linking the glucose units in amylase part of starch is : .... | 0:00 | 4 | |
|
| 2024-10-07 | RNA interference (RNAi) holds great potential as a therapeutic agent for the treatment of human .... | 0:00 | 2 | |
|
| 2024-10-07 | When \\(19.5 g\\) of \\(F - CH _2- COOH\\) (Molar mass \\(\\left.=78 g mol ^{-1}\\right)\\), is .... | 0:00 | 4 | |
|
| 2024-10-07 | Write the hybridisation and magnetic behaviour of \\(\\left[ CoF _6\\right]^{3-}\\). [Given : At.... | 0:00 | 2 | |
|
| 2024-10-07 | Write the electronic configuration of \\(d^5\\) on the basis of crystal field theory when\n .... | 0:00 | 12 | |
|
| 2024-10-07 | Which of the following species cannot act as a ligand? Give reason. \\(OH ^{-}, NH _4^{+}, CH _3.... | 0:00 | 4 | |
|
| 2024-10-07 | The vapour pressure of pure liquid \\(X\\) and pure liquid \\(Y\\) at \\(25^{\\circ} C\\) are 12.... | 0:00 | 46 | |
|
| 2024-10-07 | Define ambidient nucleophile with an example..... | 0:00 | 8 | |
|
| 2024-10-07 | The reduction of ethanenitrile with sodium and alcohol gives :.... | 0:00 | 4 | |
|
| 2024-10-07 | The ions of metals of Group \\(12( Zn , Cd\\) and \\(Hg )\\) have completely filled d orbitals a.... | 0:00 | 3 | |
|
| 2024-10-07 | Out of and , which one is optically active and why ?.... | 0:00 | 3 | |
|
| 2024-10-07 | Give reasons for the following :\nLower aliphatic amines are soluble in water..... | 0:00 | 5 | |
|
| 2024-10-07 | Which of the following electromagnetic waves has (a) minimum wavelength, and (b) minimum frequen.... | 0:00 | 5 | |
|
| 2024-10-07 | If the area of the region bounded by the curve \\(y^2=4 \\mathrm{ax}\\) and the line \\(\\mathrm.... | 0:00 | 2 | |
|
| 2024-10-07 | Give reasons for the following :\nReduction with iron scrap and \\(\\mathrm{HCl}\\) is preferred.... | 0:00 | 3 | |
|
| 2024-10-07 | Assertion (A) : o-nitrophenol is a weaker acid than p-nitrophenol.\nReason (R): Intramolecular h.... | 0:00 | 6 | |
|
| 2024-10-07 | Why on dilution the \\(\\wedge_{\\mathrm{m}}\\) of \\(\\mathrm{CH}_3 \\mathrm{COOH}\\) increases.... | 0:00 | 3 | |
|
| 2024-10-07 | Write the chemical equation for the following :\nHydration of propene in presence of an acid..... | 0:00 | 4 | |
|
| 2024-10-07 | Assertion (A) : Low spin tetrahedral complexes are rarely observed.Reason \\((R)\\) : Crystal fi.... | 0:00 | 4 | |
|
| 2024-10-07 | Answer the following questions on the basis of the figure given below :\n\nWhy do metals of the .... | 0:00 | 4 | |
|
| 2024-10-07 | Prove that \\(2 \\tan ^{-1} \\frac{1}{2}+\\tan ^{-1} \\frac{1}{7}=\\tan ^{-1} \\frac{31}{17}\\)..... | 0:00 | 2 | |
|
| 2024-10-07 | Write mechanism for the preparation of alcohols from alkenes (Acid catalysed hydration)..... | 0:00 | 5 | |
|
| 2024-10-07 | Write the final products in the following :\n.... | 0:00 | 3 | |
|
| 2024-10-07 | Complete the following reactions:\n.... | 0:00 | 11 | |
|
| 2024-10-07 | Out of \\(\\mathrm{KCl}\\) and \\(\\mathrm{AgCl}\\), which one shows Schottky defect and w.... | 0:00 | 3 | |
|
| 2024-10-07 | Draw the zwitter ion structure for sulphanilic acid. .... | 0:00 | 5 | |
|
| 2024-10-07 | Differentiate between the following :Amylose and Amylopectin.... | 0:00 | 3 | |
|
| 2024-10-07 | Out of \\(\\left[\\mathrm{Fe}\\left(\\mathrm{NH}_3\\right)_6\\right]^{3+}\\) and \\(\\left[\\mat.... | 0:00 | 4 | |
|
| 2024-10-07 | The elements of 3d transition series are given as :Sc Ti V Cr Mn Fe Co Ni Cu Zn\nAnswer the foll.... | 0:00 | 5 | |
|
| 2024-10-07 | Write the IUPAC name of the following complex :\\[\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\righ.... | 0:00 | 8 | |
|
| 2024-10-07 | Write the hybridisation and magnetic character of the following complexes :\\(\\left[\\mathrm{Co.... | 0:00 | 5 | |
|
| 2024-10-07 | Write structures of main compounds \\(\\mathrm{A}\\) and \\(\\mathrm{B}\\) in each of the follow.... | 0:00 | 27 | |
|
| 2024-10-07 | An Organic compound (A) with molecular formula \\(\\mathrm{C}_3 \\mathrm{H}_7 \\mathrm{NO}\\) on.... | 0:00 | 13 | |
|
| 2024-10-07 | The maximum kinetic energy of the photoelectrons emitted is doubled when the wavelength of light.... | 0:00 | 5 | |
|
| 2024-10-07 | Using integration, find the area of the smaller region enclosed by the curve \\(4 x^2+4 y^2=9\\).... | 0:00 | 6 | |
|
| 2024-10-07 | Assertion (A) : Matrix \\(A=\\left[\\begin{array}{rrr}0 & -3 & 5 \\\\ 3 & 0 & -2.... | 0:00 | 3 | |
|
| 2024-10-07 | Evaluate :\n\\[\\int_1^3|2 x-1| d x\\].... | 0:00 | 3 | |
|
| 2024-10-07 | Write balanced chemical equations for the following processes :\\(\\mathrm{MnO}_2\\) is heated w.... | 0:00 | 2 | |
|
| 2024-10-07 | If half-life period for a first order reaction in \\(A\\) is 2 minutes, how long will it take \\.... | 0:00 | 2 | |
|
| 2024-10-07 | Assertion (A): Bakelite is a thermosetting polymer.\nReason (R): On heating, polymeric chain bec.... | 0:00 | 4 | |
|
| 2024-10-07 | Define the following terms with a suitable example of each :\nEssential amino acids.... | 0:00 | 5 | |
|
| 2024-10-07 | A composite prism ABC is made up of two identical right-angled prisms ABD and ADC made up of dif.... | 0:00 | 46 | |
|
| 2024-10-07 | Write the final products in the following :\n.... | 0:00 | 2 | |
|
| 2024-10-07 | Find :\n\\[\\int \\frac{\\mathrm{dx}}{\\sqrt{9-4 \\mathrm{x}^2}}\\].... | 0:00 | 9 | |
|
| 2024-10-07 | Give reasons for the following :\nTransition metals form complex compounds..... | 0:00 | 21 | |
|
| 2024-10-07 | Why is the blue colour of copper sulphate solution slowly discharged when a rod of zinc is dippe.... | 0:00 | 6 | |
|
| 2024-10-07 | Name any two bases which are common to both DNA and RNA..... | 0:00 | 2 | |
|
| 2024-10-07 | Predict the reagent for carrying out the following transformations :(Any two)Ethanal to 3-hydrox.... | 0:00 | 2 | |
|
| 2024-10-07 | Find the area of the following region using integration :\\[\\left\\{(x, y ): y ^2 \\leq 2 x \\t.... | 0:00 | 8 | |
|
| 2024-10-07 | Given \\(A=\\left[\\begin{array}{cc}1 & 0 \\\\ 0 & -1\\end{array}\\right]\\) and \\(B=\\.... | 0:00 | 13 | |
|
| 2024-10-07 | (i) What is a chelate complex? Give one example.(ii) What are heteroleptic complexes? Give one e.... | 0:00 | 2 | |
|
| 2024-10-07 | The electrical resistance of a column of \\(0.05 mol L ^{-1} NaOH\\) solution of diameter \\(1 c.... | 0:00 | 6 | |
|
| 2024-10-07 | An element \\(\\mathrm{X}\\) with an atomic mass of \\(81 \\mathrm{u}\\) has density \\(10.... | 0:00 | 9 | |
|
| 2024-10-07 | Give reasons for the following :\nAlthough amino group is \\(o\\) - and \\(p\\)-directing in aro.... | 0:00 | 5 | |
|
| 2024-10-07 | A solution containing \\(1.9 \\mathrm{~g}\\) per \\(100 \\mathrm{~mL}\\) of \\(\\mathrm{KCl}\\le.... | 0:00 | 21 | |
|
| 2024-10-07 | Give reasons :\n Cooking is faster in pressure cooker than in cooking pan..... | 0:00 | 15 | |
|
| 2024-10-07 | Write the name and principle of the method used for refining of \nZinc.... | 0:00 | 17 | |
|
| 2024-10-07 | Why the use of alitame as artificial sweetener is not recommended ?.... | 0:00 | 9 | |
|
| 2024-10-07 | Write balanced chemical equations for the following processes : \n\\(\\mathrm{Cl}_2\\) is p.... | 0:00 | 8 | |
|
| 2024-10-07 | Write the major products in the following :\n.... | 0:00 | 6 | |
|
| 2024-10-07 | \\(\\left[ Co \\left( NH _3\\right)_5 NO _3\\right] SO _4\\) and \\(\\left[ Co \\left( NH _3\\ri.... | 0:00 | 5 | |
|
| 2024-10-07 | What is the basic structural difference between glucose and fructose?.... | 0:00 | 12 | |
|
| 2024-10-07 | Find:\\[\\int \\frac{d x}{1+\\cot x}\\].... | 0:00 | 4 | |
|
| 2024-10-07 | Write the mathematical relation between rate constant and half-life period of a zero order react.... | 0:00 | 4 | |
|
