Chemistry Question Bank

The optically active coordination complex ion among the following is

Which of the following does not show optical isomerism? (en = ethylenediammine)

Which of the following complex species is not expected to exhibit optical isomerism?

The total number of possible isomers of the complex compound [CuII(NH₃)₄][PtIICl₄] is

The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH₃) (NH₂OH)]+ is (py = pyridine):

The IUPAC name for [Pt(py)₄] [PtCl₄] is

The IUPAC name for [(CO)₃Fe(CO)₃ Fe(CO)₃] is

The IUPAC name for [(NH₃)₅ Cr– (OH) – Cr(NH₃)₅]5+ is a -hydroxo-bis (pentaammine dichromium) (5+) ion b -hydroxo-bis (decaamminedichromium) (5+) ion

Which among the following will be named as dibromidobis-(ethylenediamine) chromium (III) bromide?

Among the ligands NH₃, en, CN– and CO, the correct order of their increasing field strength, is

Among the following which are ambidentate ligands? (i) - NO (ii) - NO (iii) EDTA 4– (iv) C₂O₄ 2– (v) SCN –

The octahedral complex of a metal ion M3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the f…

Ammonia gas does not evolve from the complex FeCl₃.4NH₃ but it gives white precipitate with aqueous solution of AgNO₃. Coordination number of central metal ion in the above complex is six. Give IUPAC name of the complex

For a first order reaction A P, the temperature (T) dependent rate constant (k) was found to follow the equation 1 logk 6.0 T . The pre- exponential factor A and the activation energy Ea, respectively are: (a) 1.0 10 …

Ea and H values of reactions R1, R2, R3 and R4 carried out at the same temperature are as given below: R1 Ea = 40 kJ mol–1, H = – 80 kJ mol–1 R2 Ea = 20 kJ mol–1, H = – 30 kJ mol–1 R3 Ea = 60 kJ mol–1, H = + 40 kJ mol…

The potential energy diagram for a reaction R P → is given below o H of the reaction corresponds to the energy:

An endothermic reaction with high activation energy for the forward reaction is given by the diagram : (a) (b) (c) E E (d)

For the reaction 4 A B C D → , which of the following statement is not correct ?

Select the rate law that corresponds to the data shown for the following reaction A B C → Expt. (A) (B) Initial rate 0.012 0.035 0.10 0.024 0.070 0.80 0.024 0.035 0.10 0.012 0.070 0.80

For the following reaction: NO₂(g) + CO(g) → NO(g) + CO₂(g), the rate law is: Rate = k [NO₂]2.If 0.1 mole of gaseous carbon monoxide is added at constant temperature to the reaction mixture which of the following stat…

The following data pertains to reaction between A and B : S. No. [A] mol L–1 [B] mol L–1 Rate (mol L–1 time–1) 1 1.0 × 10–2 2.0 × 10–2 2.0 × 10–4 2 2.0 × 10–2 2.0 × 10–2 4.0 × 10–4 3 2.0 × 10–2 4.0 × 10–2 8.0 × 10–4 W…

A reaction which is of first order w.r.t. reactant A, has a rate constant 6 min–1. If we start with [A] = 0.5 mol L–1, when would [A] reach the value of 0.05 mol L–1

T50 of first -order reaction is 10 min. Starting with 10 mol L–1, rate after 20 min is

Half-lives of a first order and a zero order reaction are same. Then the ratio of the initial rates of first order reaction to that of the zero order reaction is (a) 0.693

Hydrolysis of methyl acetate in aqueous solution has been studied by titrating the liberated acetic acid against sodium hydroxide. The concentration of the ester at different times is given below. t/min C/mol L-1 0.85…