The correct order for acid strength of compounds : CH $$\equiv$$ CH, CH3–C $$\equiv$$ CH and CH2 = CH2 is as follows

Which compound (s) out of the following is/are not aromatic ?

The major product of the following reaction is :

The major product of the following reaction is

Polysubstitution is a major drawback in:

The correct order of the spin-only magnetic moment of metal ions in the following low-spin complexes, [V(CN)6]4–,[Fe(CN)6]4–, [Ru(NH3)6]3+, and [Cr(NH3)6]2+ , is :

The calculated spin-only magnetic moments (BM) of the anionic and cationic species of [Fe(H2O)6]2 and [Fe(CN)6], respectively, are :

The degenerate orbitals of [Cr(H2O)6]3+ are :

The one that will show optical activity is : (en = ethane-1,2-diamine)

The maximum possible denticities of a ligand given below towards a common transition and inner-transition metal ion, respectively, are :

The correct statements among I to III are : (I) Valence bond theory cannot explain the color exhibited by transition metal complexes. (II) Valence bond theory can predict quantitatively the magnetic properties of transtition metal complexes. (III) Valence bond theory cannot distinguish ligands as weak and strong field ones.

The species that can have a trans-isomer is : (en = ehane-1, 2-diamine, ox = oxalate)

Three complexes, [CoCl(NH3)5] 2+(I), [Co(NH3)5H2O]3+ (II) and [Co(NH3)6] 3+(III) absorb light in the visible region. The correct order of the wavelength of light absorbed by them is :

The crystal field stabilization energy (CFSE) of [Fe(H2O)6]Cl2 and K2[NiCl4] respectively, are :

The complex ion that will lose its crystal field stabilization energy upon oxidation of its metal to +3 state is :

Complete removal of both the axial ligands (along the z-axis) from an octahedral complex leads to which of the following splitting patterns? (relative orbital energies not on scale).

The coordination numbers of Co and Al in [Co(Cl)(en)2]Cl and K3[Al(C2O4)3], respectively, are : (en = ethane-1, 2-diamine)

The compound used in the treatment of lead poisoning is :

The compound that inhibits the growth of tumors is :

The difference in the number of unpaired electrons of a metal ion in its high spin and low-spin octahedral complexes is two. The metal ion is :