19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Assertion : Hg is the only metal that is liquid at 0ºC. Reason : It has a very high I.P. and weak metallic bond.
Give the correct order of initials T or F for the following statements. Use T if the statement is true and F if it is false. (I) Sulphide ions reacts with Na2 [Fe(CN)5(NO)] to form a purple-coloured compound Na4 [Fe(C…
Assertion : Hg is the only metal that is liquid at 0ºC. Reason : It has a very high I.P. and weak metallic bond.
Assertion : The melting point of Mn is more than that of Fe. Reason : Mn has higher number of unpaired e– than Fe in atomic state.
Sodium thiosulphate, Na2S2O3. 5H2O is used in photography to :
Spiegeleisen is an alloy of :
Philosopher’s wool when heated with BaO at 1100ºC gives the compound :
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
The IUPAC name for [(CO)3Fe(CO)3 Fe(CO)3] is
The IUPAC name for [Be4O(CH3COO)6] is
The IUPAC name for [Pt(py)4] [PtCl4] is
The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH3) (NH2OH)]+ is (py = pyridine):
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
The total number of possible isomers of the complex compound [CuII(NH3)4][PtIICl4] is
Which of the following complex species is not expected to exhibit optical isomerism?
Which of the following does not show optical isomerism? (en = ethylenediammine)
The optically active coordination complex ion among the following is
Which of the following coordination compounds would exhibit optical isomerism?
Four transition metal octahedral complexes, (the choice given below) low spin electron configurations arises only for
Which of the following is not considered as an organometallic compound?
What is (are) number(s) of unpaired electrons in the square planar [Pt(CN)4]2– ion?
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) [N…
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 ?