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Tests
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- Among given: I) q II) w III) dE The state function at constant volume is
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- Read the passage given below and answer the questions (1-3) Primary alkyl halides undergo hydrolysis by mechanism via formation of a transition state. The reactivity order for...
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- The function defined by , when x is odd , when x is even is
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- Read the passage given below and answer the questions (1-3) If , then the map is said to be inverse of , if . To obtain we put and express in terms of and then we replace ...
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- If the density of gas be doubled, the average power carried by a plane wave in it will be
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- The radius of the Polonium 210 nucleus may be taken as 8.3 fm. What is the radius of the iron –56 nucleus ?
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- Action of hot and conc. on metallic tin produces:
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- The first ionization energy for following metals will be in the order
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- When the sodium salt of an organic acid is strongly heated, it yields sodium carbonate. If the weight ratio of the sodium salt to sodium carbonate obtained is 5 : 4, what is the...
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- On gold surface, the rate of decomposition of HI is independent of the pressures of HI but on Pt surface, the rate is proportional to concentration of HI. It is concluded that
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- Which of the following statements concerning quantum numbers, is false?
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- In the equation, , it is desired to calculate the rate when [D] = 0.37 and [E] = 1.26. The value in moles/liter-hour is
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- 0.60 mole of in a reaction vessel of 2 liter capacity, was brought to equilibrium. The vessel was then found to contain 0.15 mole of formed by the reaction Which of the follow...
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- is passed through an acidified solution of and a black precipitate is formed. This is due to
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- The blue colour of liquid alkali metal in ammonia solution is due to
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- A pale yellow precipitate is insoluble in water, ammonia and conc. acids but soluble in hypo solution. The molecular formula of the compounds is
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- In aromatic sulphonation, the attacking species is
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- The correct order of ionic radii of is
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- Which of the following statements is correct for an electrolytic cell?
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- Ammonium carbamate when heated to gives a mixture of vapours:with a density 13.0. What is the degree of dissociation of ammonium carbamate?
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- Answer question on the basis of the information given below. In each of the folllowing question, a statement of Assertion (A) is given and a corresponding statement of Reason&#...
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- Relative abundance of isotopes of element M is as under : and . What is the atomic weight of M?
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- Disintegration constant of a radioactive element A is 0.0693 . Starting with 1 mol of A, rate disintegration after 20 min. Will be;
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- After np orbital are filled, the next orbital filled will be :
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- Consider the reactions Which of the following is correct?
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- At constant pressure, the presence of argon at the equilibrium of will;
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- What is the effect of the reduction of the volume of the system for the equilibrium
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- Supposing the energy of fourth shell for hydrogen atom is –50 a.u. (arbitrary unit). What would be its ionization potential;
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- The order of increasing energies of the orbitals follows;
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- An electron has a spin quantum number +1/2 and a magnetic quantum number –1. It cannot be present in;
