Among the species given below, the total number of diamagnetic species is _________. H atom, `NO_(2)` monomer,`O_(2)^(-)` (superoxide), dimeric sulphur in vapour phase, `Mn_(3)O_(4),(NH_(4))_(2)["FeCl"_(4)], (NH_(4))_(2)["NiCl"_(4)],K_(2)MnO_(4), K_(2)CrO_(4)`
Find the number of mixed oxides among the following: Mn_(3)O_(4),Fe_(3)O_(4),Co_(3)O_(4),Mn_(2)O_(3),MnO_(2),Fe_(2)O_(3),NiO,CrO_(2),CrO_(3) ,
Write the IUPAC name of the following : (a) [Cr(acac)_(3)] (b) [V(H_(2)O)_(6)]Cl_(3) ( c) (NH_(4))_(3)[Co(C_(2)O_(4))_(3)] (d) K_(2)[CrO_(4)]
The number of stereo isomers of the compound is [Co(C_(2)O_(4))(NH_(3))_(2)(NO_(2))_(2)]
Find the total number of diamagnetic complexes. K_(3)[Fe(CN)_(6)],[Co(NH_(3))_(6)]Cl_(3), Na_(3)[Co(Ox)_(3)], [Ni(H_(2)O)_(6)]Cl_(2), K_(2)[Pt(CN)_(4)], [Zn(H_(2)O)_(6)](NO_(3))_(2), K_(2)[NiCl_(4)],[Pt(NH_(3))_(2)Cl_(2)], [Ni(CO)_(4)]
K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)
Knowledge Check
MnO_(2)+2KOH+(1)/(2)O_(2) to K_(2)MnO_(4)+H(2)O
A
For disproportionation reaction.
B
For comproportionation reaction.
C
For either intermolecular redox reaction or displacement reaction
D
For either thermal combination redox reaction or thermal decomposition redox reaction.
K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)
A
For coloured ppt./Black ppt
B
For coloured solution.
C
for clear/colourless solution
D
For white ppt.
ERRORLESS -D & P-BLOCK ELEMENTS-JEE Section (Numeric answer type questions)
