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The number of unpaired electrons in the complex ion $[CoF_6]^{3-}$ is: (Atomic No. Co = 27)
The geometry and magnetic behaviour of the complex [Ni(CO)₄] are:
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of $Co^{3+}$ is:
In a quantitative analysis of second group in the lab, $H_2S$ gas is passed in an acidic medium for ppt. When $Cu^{2+}$ and $Cd^{2+}$ react with $KCN$, then in which of the following conditions will a precipitate not be formed due to relative stability:
A magnetic moment of 1.73 BM will be shown by one among the following:
Which of the following species has a linear shape?
Which of the following is a paramagnetic compound?
A molecule having the maximum dipole moment among the following is -
The existence of two different coloured complexes with the composition of $[Co(NH_3)_4Cl_2]^+$ is due to:
Which orbital does the additional electron occupy when $O_{2}$ is converted to the $O_{2}^{-}$ ion?
Which of the following pairs share both isoelectronicity and isostructural characteristics? $\text{NO}_3^-$, $\text{CO}_3^{2-}$, $\text{ClO}_3^-$, $\text{SO}_3$
A complex ion among the following that can absorb visible light is: (At. no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
The order of energy absorbed, which is responsible for the color of complexes, is: (A) $[Ni(H_2O)_2(en)_2]^{2+}$ (B) $[Ni(H_2O)_4(en)]^{2+}$ (C) $[Ni(en)_3]^{2+}$
A paramagnetic molecule among the following is:
Consider the given compound: In the given options, the following for the above compound are, respectively: (i) $sp^{2}$ hybridised carbon atoms and (ii) $\pi$ bonds.
The correct statement among the following about $[Co(CN)_6]^{3-}$ is :
An isostructural compound with $XeF_2$ among the following is:
Increasing order of bond length is:
What is the dominant intermolecular force that must be overcome in converting liquid $CH_3OH$ to a gas?
Consider the following species: CN$$^+$$, CN$$^-$$, NO and CN. The highest bond order associated with: