AIPMT 2004

Chloropicrin is obtained by the reaction of

CN\(-\) is a strong field ligand. This is due to the fact that

Which of the following coordination compounds would exhibit optical isomerism?

Which of the following does not have a metal carbon bond?

In an octahedral structure, the pair of \(d\) orbitals involved in d2sp3 hybridisation is

Considering H2O as a weak field ligand, the number of unpaired electrons in [Mn(H2O)6]2+ will be (atomic number of Mn = 25)

Among [Ni(CO)4], [Ni(CN)4]2\(-\), [NiCl4]2\(-\) species, the hybridisation states at the Ni atom are, respectively
[Atomic number of Ni = 28]

Which of the following is considered to be an anticancer species?

lanthanoids are

Among the following series of transition metal ions, the one where all metal ions have 3d2 electronic configuration is
[At. Nos. Ti = 22, V = 23, Cr = 24, Mn = 25]

The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25oC. The equilibrium constant of the reaction would be

Which of the following is least reactive in a nucleophilic sibstitution reaction?

Reaction of HBr with propene in the presence of peroxide gives

Using anhydrous AlCl3 as catalyst, which one of the following reactions produces ethylbenzene (PhEt)?

The rapid change of pH near the stoichiometric point of an acid-base titration is the basis of indicator detection. pH of the solution is related to ratio of the concentrations of the conjugate acid (HIn) and base (In\(-\)) forms of the ind...

The solubility product of a sparingly soluble salt AX2 is 3.2 \(\times\) 10\(-\)11. Its solubility (in moles/L) is

The radioactive isotope \({}_{27}^{60}\)Co which is used in the treatment of cancer can be made by (n.p) reaction. For this reaction the tarfet nucleus is

In a reaction of aniline a coloured product C was obtained.

The structure of C would be

Which one of the following statements about the zeolite is false?

Among K, Ca, Fe and Zn, the element which can from more than one binary compound with chlorine is

Ionic radii are

Which one of the following is a chain growth polymer?

Which is the best description of the behaviour of bromine in the reaction given below?
H2O + Br2 \(\to\) HOBr + HBr

A solid compound X on heating gives CO2 gas and a residue. The residue mixed with water forms Y. On passing an excess of CO2 through Y in water, a clear solution Z is obtained. On boiling Z, compound X is reformed. The compound X is

A compound formed by elements X and Y
crystallizes in a cubic structure in which the X
atoms are at the corners of a cube and the Y
atoms are at the face-centers. The formula of the
compound is :-

The maximum number of molecules is present in

The molecular formula of diphenyl methane,

How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom ?

The frequency of radiation emitted when the electron falls from n = 4 to n = 1 in hydrogen atom will be (Given ionization energy of H = 2.18 \(\times\) 10\(-\)18 J atom\(-\)1 and h = 6.625 \(\times\) 10\(-\)34 J s)

The enzyme which hydrolyses triglycerides to fatty acids and glycerol is called

Standard enthalpy and standard entropy changes for the oxidation of ammonia at 298 K are \(-\) 382.64 kJ mol\(-\)1 and \(-\) 145.6 kJ mol\(-\)1, respectively. Standard Gibb's energy change for the same reaction at 298 K is

If the bond energies of H \(-\) H, Br \(-\) Br, and H \(-\) Br are 433, 192 and 364 kJ mol\(-\)1 respectively, the \(\Delta\)Ho for the reaction H2(g) + Br2(g) \(\to\) 2HBr(g) is

The work done during the expansion of a gas from a volume of 4 dm3 to 6 dm3 against a constant external pressure of 3 atm is (1 L atm = 101.32 J)

Considering entropy (S) as a thermodynamic parameter, the criterion for the spontaneity of any process is

A coil of 40 henry inductance is connected in series with a resistance of 8 ohm and the combination is joined to the terminals of a 2 volt battery. The time constant of the circuit is

The Bohr model of atoms

The half life of radian is about 1600 years. Of 100 g of radium existing now, 25 g will remain unchanged after

If in a nuclear fusion process the masses of the fusing nuclei be m1 and m2 and the mass of the resultant nucleus be m3, then

If M(A; Z), Mp and Mn denote the masses of the nucleus \({}_Z^AX,\) proton and neutron respectively in units of u (1 u = 931.5 MeV/c2) and BE represents its bonding energy in MeV, then

A nucleus represented by the symbol \({}_Z^AX\) has

Consider a system of two particles having masses m1 and m2. If the particle of mass m1 is pushed towards the mass centre of particles through a distance d. by what distance would be particle of mass m2 move so as to keep the mass centre of ...

A 6 volt battery is connected to the terminals of a three metre long wire of uniform thickness and resistance of 100 ohm. The difference of potential between two points on the wire separated by a distance of 50 cm will be

Five equal resistances each of resistances R are connected as shown in the figure. A battery of V volts is connected between A and B. The current flowing in AFCEB will be

The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then

Resistance n, each of r ohm, when connected in parallel give an equivalent resistance of R ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to

when three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R, the resistance of a 60 W bulb for use in USA will be

According to Einstein's photoelectric equation, the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is

The magnetic flux through a circuit of resistance R changes by an amount \(\Delta\)\(\phi\) in a time \(\Delta\)t. Then the total quantity of electric charge Q that passes any point in the circuit during the time \(\Delta\)t is represen...

An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, the force on it and its potential energy are respecti...

A bullet of mass 2 g is having a charge of 2 \(\mu\)C. Through what potential difference must it be accelerated, starting from rst, to acquire a speed of 10 m/s ?