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Chemistry Mock Test useful for Joint Admission Test for MSc (IIT JAM) NET GATE etc. exams (For Time Accuracy Search “Time Attack”.)
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1. The collect statement among the following is
2. The spinel structure of Cr2FeO4 has cubic close packed arrangement of oxide ions. The fractions of the tetrahedral and octahedral sites occupied by cation respectively are,
3. Structures of Fe5(CO)15C and Os5(CO)16 respectively are
4. The true statement about base hydrolysis of [Co(CN)5JsBr]3- is
5. Value of β (nephelauxetic parameter) is maximum for
6. Among the following metal complexes, the Correct order of their increasing hydration energy is, (I) [Co(H2O)6]2+ (II) [Fe(H2O)6]2+ (III) [V(H2O)6]2+ (IV) [Sc(H2O)6]2+
7. Which of the following octahedral complex exhibits tetragonal compression
[CoCl2(NH3)4]
8. The reductive elimination product in [η5-Cp2 Nb(H) η2-(C2H4)]
9. Arrange the following complexes in the order of their respective wavelength of absorption:
(I) [Cr(H2O)6]3+
(II) [Cr(CN)6]3-
(III) [Cr(F)6]3-
10. The correct order for the given properties is: (A) :CH2 < :CC12 < :CF2 (Stability order) (B) N-F < Sb-F < As-F < P-F (Bond energy order) (C) BeF2 > CaF2 > SrF2 (Covalent character order) (D) NH3 > PH3 > AsH3 > SbH3 (Bond angle order)
11. The complex which shows fastest oxidative addition of dihydrogen (H2) is/are,
IrC1(CO)(PPh3)2 & RhC1 (CO) (PPh3)2
12. Select Correct Statement from following regarding f-block elements (i) Absorption spectrum of lanthanoids (III) is largely dependent on nature of ligands. (ii) Magnetic moments of lanthanoids (III) is generally greater than corresponding actinides (III) (iii) Spectra of Heavier actinides (III) ions show resemblance with lanthanoids (III) ions (iv) Ce3+ ion is colourless in aqueous medium. The correct answer is,
13. The quantity remain constant in Grand Canonical Ensemble
14. The colour and transition for the deep coloration of [Fe(NCS)6]3- and [Fe(bpy)3]2+ respectively are,
15. A complex of Ni(ll), [NiCl2(PPh3)2] is paramagnetic, the analogous complex of Palladium (II) is diamagnetic, the number of isomers shown by both complexes respectively are
16. The correct order of second ionization potential among the following elements : Be, B, C, N and O is
17. The value of temperature at which 10% of the molecule in a system will be in first excited electronic state if this state is 400 kJ/mol above ground state is
18. The pair of lanthanoids showing strong emission spectrum are,
19. Lanthanoid used in glass blower’s goggles is
20. In the trigonal prismatic crystal field, the d-orbital with the highest energy is
21. The behaviour of HClO4 in H2SO4 and SbF5 in HF are respectively,
22. Consider the following statements for catalase. A. It is heme containing protein. B. It catalyzes disproportionation of water. C. Inactive site, the metal is in +3 oxidation state. D. It catalyzes the reduction of dioxygen. The correct statements are :
Question 1 of 22
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