AIPMT 2006

Nucleophilic addition reaction will be most favoured in

The human body does not produce

Which one of the following is a peptide hormone?

During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process-

are respectively

Which of the following is not a correct statement?

Which of the following is not isostructural with SiCl4 ?

Which of the following species has a linear shape?

The electronegativity difference berween N and F is greater than that between N and H yet the dipole moment of NH3 (1.5D) is larger than that of NF3 (0.2 D). This is because

For the reaction :
CH4(g) + 2O2(g) \(\rightleftharpoons\) CO2(g) + 2H2O(l),
\(\Delta\)Hr = \(-\) 170.8 kJ mol\(-\)1.
Which of the following statements is not true?

Consider the reaction :  N2(g) + 3H2(g) \(\to\) 2NH3(g)
The equality relationship between \({{d\left[ {N{H_3}} \right]} \over {dt}}\) and \(- {{d\left[ {{H_2}} \right]} \over {dt}}\) is

For the reaction, 2A + B \(\to\) 3C + D, which of the following does not express the reaction rate?

[Cr(H2O)6]Cl3 (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the chromium of the complex is

[Co(NH3)4(NO2)2]Cl exhibits

Copper sulphate dissolves in excess of KCN to give

More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is

In which of the following pairs are both the ions coloured in aqueous solution?
(At. no. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)

A hypothetical electrochemical cell is shown below.
\(A\left| {{A^ + }\left( {xM} \right)} \right|\left| {{B^ + }\left( {yM} \right)} \right|B\)
The emf measured is + 0.20 V. The cell reaction is

EoFe2+/Fe = \(-\) 0.441 V and EoFe3+/Fe2+ = 0.771 V, the standard EMF of the reaction Fe + 2Fe3+ \(\to\) 3Fe2+ will be

Which of the following is not chiral?

The hydrogen ion concentration of a 10\(-\)8 M, HCl aqueous solution at 298 K (Kw = 10\(-\)14) is

Which of the following pairs constitutes a buffer?

Which of the following is more basic than aniline?

Which of the following is the most basic oxide?

The correct order regarding the electronegativity of hybrid orbitals of carbon is

In which of the following molecules are all the bonds are not equal?

Which one of the following orders is not in accordance with the property stated against it?

Which one of the following orders is not in accordance with the property stated against it ?

is a

The correct order of the mobility of the alkali metal ions in aqueous solution is

CsBr crystallises in a body centered cubic lattice. The unit cell length is 436.6 pm. Given that the atomic mass of Cs = 133 and that of Br = 80 amu and Avogadro number being 6.02 \(\times\) 1023 mol\(-\)1, the density of CsBr is

The appearance of colour in solid alkali metal halides is generally due to

A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol\(-\)1) is isotonic with a 5% solution of a nonvolatile solute is

1.00 g of a non-electrolyte solute (molar mass 250 g mol\(-\)1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K kg mol\(-\)1, the freezing point of benzene will be lowered by

A solution of acetone in ethanol

During osmosis, flow of water through a semipermeable membrane is

The IUPAC name of

is

Given : The mass of electron is 9.11 \(\times\) 10\(-\)31 kg, Planck constant is 6.626 \(\times\) 10\(-\)34 J s, the uncertainty involved in the measurement of velocity within a distance of 0.1 \(\mathop A\limits^ \circ\) is

The orientation of an atomic orbital is governed by

A plot of log(x/m) versus log p for the adsorption of a gas on a solid gives a straight line with slope equal to

The enthalpy and entropy change for the reaction:
Br2(l) + Cl2(g) \(\to\) 2BrCl(g)
are 30 kJ mol\(-\)1 and 105 J K\(-\)1 mol\(-\)1 respectively.
The temperature at which the reaction will be in equilibrium is

The enthalpy of hydrogenation of cyclohexene is is \(-\) 119.5 kJ mol\(-\)1. If resonance energy of benzene is \(-\) 150.4 kJ mol\(-\)1, its enthalpy of hydrogenation would be

Identify the correct statement for change of Gibb's energy for a system (\(\Delta\)Gsystem) at constant temperature and pressure.

Assume each reaction is carried out in an open container. For which reaction will \(\Delta\)H = \(\Delta\)E ?

A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillations of frequency \(f\). If L is doubled and C is changed to 4C, the frequency will be

The core of a transformer is laminated because

A coil of inductive reactance 31 \(\Omega\) has a resistance of 8 \(\Omega\). It is placed in series with a condenser of capacitative reactance 25 \(\Omega\). The combination is connected to an a.c. source of 110 V. The power factor of t...

Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV. According to Bohr's theory, the spectral lines emited by hydrogen will be

In a radioactive material the activity at time t1 is R1 and at a later time t2, it is R2. If the decay constant of the material is \(\lambda\), then

The radius of germanium (Ge) nuclide is measured to be twice the radius of \({}_4^9\)Be. The number of nucleons in Ge are

The binding energy of deuteron is 2.2 MeV and that of \({}_2^4\)He is 28 MeV. If two deuterons are fused to form one \({}_2^4\)He then the energy released is