IIT-JEE 2007 Paper 1 Offline

Statement 1 : p-Hydroxybenzoic acid has a lower boiling point than o-hydroxybenzoic acid.
Statement 2 : o-Hydroxybenzoic acid has intramolecular hydrogen bonding.

The number of structural isomers for C\(_6\)H\(_{14}\) is :

The species having bond order different from that in CO is :

Among the following the paramagnetic compound is:

Statement 1 : Boron always forms covalent bond.
Statement 2 : The small size of B\(^{3+}\) favours formation of covalent bond.

Match the complexes in Column I with their properties listed in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 \(\times\) 4 matrix given in the ORS.

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{bo...

The total number of moles of chlorine gas evolved is :

If the cathode is a Hg electrode, the maximum weight (g) of amalgam formed from this solution is:

The total charge (coulombs) required for complete electrolysis is:

Match gases under specified conditions listed in Column I with their properties/laws in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 \(\times\) 4 matrix given in the ORS.

.tg {border-collapse:collapse;bord...

In the following reaction,

The structure of the major 'X' is

The reagent(s) for the following conversion,

Extraction of zinc from zinc blende is achieved by

The percentage of p-character in the orbitals forming P-P bonds in P\(_4\) is

Statement 1 : In water, orthoboric acid behaves as a weak monobasic acid.

Statement 2 : In water, orthoboric acid acts as a proton donor.

Argon is used in arc welding because of its

The structure of XeO\(_3\)

XeF\(_4\) and XeF\(_6\) are expected to be

Match the chemical substances in Column I with type of polymers/type of bonds in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 \(\times\) 4 matrix given in the ORS.

.tg {border-collapse:collapse;border-spac...

When 20 g of naphthoic acid (C\(_{11}\)H\(_{8}\)O\(_{2}\)) is dissolved in 50 g of benzene in 50 g of benzene (K\(_f\) = 1.72 K kg mol\(^{-1}\)), a freezing point depression of 2 K is observed. The van't Hoff factor (i) is :

Statement 1 : Micelles are formed by surfactant molecules above the critical micellar concentration (CMC).

Statement 2 : The conductivity of a solution having surfactant molecules decreases sharply at the CMC.

The value of log\(_{10}\) K for a reaction $A \rightleftharpoons B$ is
(Given : \({\Delta _r}H{^\circ _{298\,K}} = - 54.07\) kJ mol\(^{-1}\), \({\Delta _r}S{^\circ _{298\,K}} = 10\) J K\(^{-1}\) mol\(^{-1}\) and R = 8.314 J K\(^{-1}\) mol$...