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Match the list I and list II and pick the correct matching from the codes given below: List I List II (Complex) (Structure and magnetic moment) A. [Ag(NH₃)₂]+ 1. Square planar and 1.73 BM B. [Co(NH₃)₆]3+ 2. Linear and…
Match each set of hybrid orbitals from LIST-I with complex(es) given is LIST-II LIST-I LIST-II (P) dsp2 (1) [FeF₆]4– (Q) sp3 (2) [Ti(H₂O)₃Cl₃] (R) sp3d2 (3) [Cr(NH₃)₆]3+ (S) d2sp3 (4) [FeCl₄]2– (5) Ni(CO)₄ (6) [Ni(CN)…
Exhibits temperature dependent magnetic behaviour (paramagnetic/diamagnetic) the coordination geometries of Ni²⁺ in the paramagnetic and diamagnetic states are respectively
Which one of the following complex ions has geometrical isomers ?
Which one of the following has largest number of isomers? (R = alkyl group, en = ethylenediamine)
Which of the following has an optical isomer ?
Which of the following compounds shows optical isomerism ?
Among [NiCO)₄], [NiCl₄]2–, [Co(NH₃)₄Cl₂] Cl, Na₃ [CoF₆], Na₂O₂ and CsO₂, the total number of paramagnetic compounds is
In Fe(CO)₅, the Fe – C bond possesses
Among [NiCO)₄], [NiCl₄]2–, [Co(NH₃)₄Cl₂] Cl, Na₃ [CoF₆], Na₂O₂ and CsO₂, the total number of paramagnetic compounds is
Consider the following complex ions, P, Q and R. P = [FeF₆]3- , Q = [V(H₂O)₆]2+ and R = [Fe(H₂O)₆]2+ The correct order of the complex ions, according to their spin-only magnetic moment values (in BM) is
For the square planar complex [M (a) (b) (c) (d)] (where, M = central metal and a, b, c and d are monodentate ligands), the number of possible geometrical isomers are
Which of the following coordination compounds would exhibit optical isomerism?
With passage of time, the concentration of reactants …A… and rate of reaction …B… . Here A and B are
The rate of formation of NO₂ during the period 600 – 700 s is
In most cases, for a rise of 10K temperature the rate constant is doubled to tripled. This is due to the reason that (a)collision frequency increases by a factor of 2 to 3. (b)fraction of molecules possessing threshol…
Collision theory is used to explain how chemical species undergo a reaction. Using this theory and the kinetic molecular model, which of the following does NOT influence the rate of a chemical reaction?
Choose the correct answer out of the following choices. Assertion (A): Most people think diamond is forever. Reason (R): Conversion rate of diamond to graphite is very low.
Assertion (A): In rate law, unlike in the expression for equilibrium constants, the exponents for concentrations do not necessarily match the stoichiometric coefficients. Reason (R): It is the mechanism and not the ba…
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