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Which is high spin complex ?
Only complex [Cr(gly)3] is a high spin complex because it contains a weak field ligand and these type of ligands can not pair up the unpaired electrons while in other options there are atleast one strong field ligand. Hence,option A is correct.
Correct formula of the complex formed in the brown ring test for nitrates is
A complex cation is formed by Pt (in same oxidation state) with ligands (in proper number so that coordination number of Pt becomes six). Which of the following can be its correct IUPAC name ?
The magnetic moment of a transition metal ion is found to be 3.87 B.M. The number of unpaired electrons present in it is
The oxidation state of sulphur in the anions , , follows the order
Four metals and their methods of refinement are given
I. Ni, Cu, Zr, Ga
II. electrolysis, van Arkel process, zone refining, Mond’s process
Choose the right method for each
Which of the following chemicals is used as a depressant in separating ZnS from PbS in froth floatation process ?
Which of the isomeric C4H9Cl compounds will be optically active ?
The relative ease of dehydration of following alcohols is
II. (CH3)3COH III. CH3CH2CH2OH
Correct arrangement of the following acids in decreasing order of pKa values is
I. CH3COOH II. Cl2CHCOOH
III. F3CCOOH IV. ClCH2COOH
Arrange the following
in order of decreasing tendency towards SN2 reaction
Which one of the following reaction is a method for the conversion of a ketone into a hydrocarbon ?
The reagent which does not react with both acetone and benzaldehyde is
The van’t Hoff factor for a 0.1 M Al2(SO4)3 solution is 4.20. The degree of dissociation is
Match List I with List II and select the correct answer using the codes given below the lists
Such detergent is formed when stearic acid reacts with polytthene glycol.
The two monosaccharides of sucrose are held together by a glycosidic linkage between
When ammonia gas is brought in contact with water surface, its pressure falls due to
When a solution of AgNO3 (1 M) is electrolysed using platinum anode and copper cathode.What are the products obtained at two electrodes ?
If the radii of A+ and B- in the crystalline solid AB are 96 pm and 200 pm respectively. The type of voids occupied is
Which of the following factors is responsible for the decrease in the rate of a surface catalysed reaction?
A quantity of iodine was reacted with a large excess of propanone and dilute acid. The equation for the reaction was
I2 + CH3COCH3 → ICH2COCH3 + HI
The concentration of iodine in the reaction mixture was recorded at regular time intervals and the result is shown in figure. Which one the following deductions can be made from this graph ?
The equivalent conductance at infinite dilution of a weak acid such as HF
A sample of element has 12.08 x 1023 bcc unit cells. Total number of atoms in the given sample are
Equivalent conductivity of Fe2(SO4)3 is related to molar conductivity by the expression
Which of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated HCl at room temperature ?
Characteristic feature of the side chain of amino acids are given below. Which of the following is the side chain of an essential amino acid ?
For the reaction, 2A + B + C → A2B + C, the rate = k[A][B]2 with k = 2.0 x 10-6 mol-2 L2 s-1. Initial concentrations are [A] = 0.1 M, [B] = 0.2 M and [C] = 0.8 M. If the rate of reverse reaction is negligible then, what will be the rate of reaction after [A] is reduced to 0.06 M ?