AIPMT 2012 Mains

Which of the following compounds can be used as antifreeze in automobile radiators?

Which of the following compounds will give a yellow precipitate with iodine and alkali?

Consider the following reaction

The product A is

Consider the reaction :
RCHO + NH2NH2 \(\to\) RCH \(=\) N \(-\) NH2
What sort of reaction is it?

Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them

During change of O2 to O\(_2^{ - }\) ion, the electron adds on which one of the following orbitals ?

Given the reaction between 2 gases represented by A2 and B2 to give the compound AB(g),
A2(g) + B2(g) \(\rightleftharpoons\) 2AB(g)
At equilibrium, the concentration of
A2 = 3.0 \(\times\) 10\(-\)3 M, of B2 = 4.2 \(\times\) 10\(-\)...

Given that the equilibrium constant for the reaction,
2SO2(g) + O2(g) \(\rightleftharpoons\) 2SO3(g)
has a value of 278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temp...

Activation energy (E\(a\)) and rate constants (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by

Chloroamphenicol is an

Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?

Low spin complex of d6-cation in an octahedral field will have the following energy

Which of the following exhibits only + 3 oxidation state?

The catalytic activity of transition metals and their compounds is ascribed mainly to

Which one of the following does not correctly represent the correct order of the property indicated against it?

Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential \(\left( {E_{{M^{2 + }}/M}^o} \right)\) value has a positive sign?

Standard reduction potentials of the half reactions are given below :
F2(g) + 2e\(-\) \(\to\) 2F\(-\)(aq) ;   Eo = + 2.85 V
Cl2(g) + 2e\(-\) \(\to\) 2Cl\(-\)(aq) ;   Eo = + 1.36 V
Br2(l) + 2e\(-\) \(\to\) 2Br\(-\)(aq) ;   Eo = ...

Molar conductivities \(\left( {\Lambda _m^o} \right)\) at infinite dilution of NaCl, Hcl and CH3COONa are 126.4, 425.9 and 91.0 S cm2 mol\(-\)1 respectively. \(\left( {\Lambda _m^o} \right)\) for CH3COOH will be

The Gibb's energy for the decomposition of Al2O3 at 500oC is as follows
\({2 \over 3}\) Al2O3 \(\to\) \({4 \over 3}\) Al + O2
\(\Delta\)rG = +960 kJ mol\(-\)1
The potential difference needed for the electrolytic reduction of aluminium ...

Equal volumes of two monoatomic gases, A and B at same temperature and pressure are mixed. The ratio of specific heats (Cp/Cv) of the mixture will be

For real gases van der Waals equation is written as \(\left( {p + {{a{n^2}} \over {{V^2}}}} \right)\) (V \(-\) nb) = n RT
where \(a\) and \(b\) are van der Waals constants. Two sets of gases are
(I)  O2, CO2, H2 and He
(II)  CH4. O2 and...

A certain gas takes three times as long to effuse out as helium. Its molecular mass will be

In the replacement reaction

The reaction will be most favourable if M happens to be

Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?

An organic compound (C3H9N) (A), when treated with nitrous acid, gave an alcohol and N2 gas was evolved. (A) on warming with CHCl3 and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A)

In which of the following arrangements the given sequence is not strictly according to the property indicated against it?

Which one of the following sets forms the biodegradable polymer?

Structure of a mixed oxide is cubic close packed (ccp). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are cooupied by a monovalent...

Vapour pressure of chloroform (CHCl3) and dichloromethane (CH2Cl2) at 25oC are 200 mm Hg and 41.5 mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of CHCl3 and 40 g of CH2Cl2 at the same temperature will be
(Mol...

The orbital angular momentum of a p-electron is given as