AIPMT 2015

Which of the following reaction(s) can be used for the preparation of alkyl halides?

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group?

Which one of the following esters gets hydrolysed most easily under alkaline conditions?

The oxidation of benzene by V2O5 in the presence of air produces

Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is

In which of the following pairs, both the species are not isostructural ?

Decreasing order of stability of O2, O2\(-\), O2+ and O22\(-\) is

If the equilibrium constant for
N2(g) + O2(g) \(\rightleftharpoons\) 2NO(g) is K, the equilibrium
constant for \({1 \over 2}\) N2(g) + \({1 \over 2}\)O2(g) \(\rightleftharpoons\) NO(g) will be

The rate constant of the reaction A \(\to\) B is 0.6 \(\times\) 10\(-\)3 mol L\(-\)1 s\(-\)1. If the concentration of A is 5 M, then concentration of B after 20 minutes is

Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)

The name of complex ion, [Fe(CN)6]3\(-\) is

The hybridization involved in complex [Ni(CN)4]\(2-\) is (At. No. Ni = 28)

The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylenediamine) is

Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?

Assuming complete ionisation, same moles of which of the following compounds will require the least amount of acidified KMnO4 for complete oxidation?

Aqueous solution of which of the following compounds is the best conductor of electric current ?

A gas such as carbon monoxide would be most likely to obey the ideal gas law at

In an SN1 reaction on chiral centers, there is

Which of the following is not the product of dehydration of

2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?

In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule to give a product 1-chloro-1 methylcyclohexane. The possible alkene is

Which one of the following pairs of solution is not an acidic buffer ?

What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?

The number of structural isomers possible from the molecular formula C3H9N is

Method by which aniline cannot be prepared is

The following reaction

is known by the name

The formation of the oxide ion, O2\(-\)(g) from oxygen atom requires first an exthermic and then an endothermic step as shown below:
O(g) + e\(-\) \(\to\) O\(-\)(g);  \(\Delta\)fHo = \(-\)141 kJ mol\(-\)1
O\(-\)(g) + e\(-\) \(\to\) O...

Which of the statements given below is incorrect?

The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence

Strong reducing behavior of H3PO2 is due to

The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl.
What explains the higher boiling point of hydrogen fluoride?

Caprolactam is used for the manufacture of

In the extraction of copper from its sulphide ore. the metal is finally obtained by the reduction of cuprous oxide with

On heating which of the following releases CO2 most easily?

20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample?
(At. wt. of Mg = 24)

The vacant space in bcc lattice unit cell is

The correct statement regarding defects in crystalline solids is

What is the mass of the precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solution ? (Ag = 107.8, N = 14, O = 16, Na = 23, Cl = 35.5

If Avogadro number NA, is changed from 6.022 \(\times\) 1023 mol\(-\)1 to 6.022 \(\times\) 1020 mol\(-\)1, this would change

The number of water molecules is maximum in

What is the mole fraction of the solute in a 1.00 m aqueous solution?

Which of the following statements is not correct for a nucleophile?

The possible stereo-structures of CH3CHOHCOOH, which are optically active, are called

Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ? (At. no. Z = 22)

The heat of combination of carbon to CO2 is \(-\)393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from carbon and oxygen gas is