IIT-JEE 1991

The hybridization of carbon atoms in C-C single bond of HC \(\equiv\) C - CH = CH2 is

Write the IUPAC name for the following :

Arrange the following :
Increasing strength of hydrogen bonding (X-H-X):
O, S, F, Cl, N

The linear structure is assumed by :

The decomposition of N2O5 according to the equation:
2N2O5 (g) \(\to\) 4NO2(g) + O2(g)
is a first order reaction. After 30 min. from the start of the decomposition in a closed vessel, the total pressure developed is found to be 284.5 mm of ...

Zinc granules are added in excess to a 500 ml. of 1.0 M nickel nitrate solution at 25oC until the equilibrium is reached. If the standard reduction potential of Zn2+ | Zn and Ni2+ | Ni are -0.75 V and -0.24 V respectively, find out the conc...

The current of 1.70 A is passed through 300.0 ml of 0.160 M solution of a ZnSO4 for 230 sec. with a current efficiency of 90%. Find out the molarity of Zn2+ after the deposition of Zn. Assume the volume of the solution to remain constant du...

Calculate the volume occupied by 5.0 g of acetylene gas at 50oC and 740 mm pressure.

Arrange of the following in :
Increasing order of ionic size:
N3-, Na+, F-, O2-, Mg2+

Arrange of the following in :
Increasing order of basic character
MgO, SrO, K2O, NiO, Cs2O

Arrange of the following in :
Arrange the following ions in order of their increasing radii:
Li+, Mg2+, K+, Al3+

The volume strength of 1.5 N H2O2 solution is

Write down the balanced equation for the reaction when:
Carbon dioxide is passed through a suspension of lime stone in water.

The degree of dissociation of calcium nitrate in a dilute aqueous solution, containing 7.0 g. of the salt per 100 gm of water at 100oC is 70%. If the vapour pressure of water at 100oC is 760 mm, calculate the vapour pressure of the solution...

The weight of \(1 \times 10^{22}\) molecules of CuSO4.5H2O is ____.

A 1.0 g sample of Fe2O3 solid of 55.2% purity is dissolved in acid and reduced by heating the solution with zinc dust. The resultant solution is cooled and made upto 100.0 ml. An aliquot of 25.0 ml of this solution requires 17.0 ml of 0.016...

A solution of 0.2 g of a compound containing Cu2+ and \(C_2O_4^{2-}\) ions on titration with 0.02M \(KMnO_4\) in presence of \(H_2SO_4\) consumes 22.6 ml. of the oxidant. The resultant solution in neutralized with Na2CO3, acidified with di...

The oxidation state of the most electronegative element in the products of the reaction. BaO2 with dil. H2SO4 are

Read the following statement and explanation and answer as per the options given below:
STATEMENT (S): In the titration of Na2CO3 with HCl using methyl orange indicator, the volume required at the equivalence point is twice that of the acid...