List of top Chemistry Questions on Inorganic chemistry asked in IIT JAM CY

Find the number of P–O–P (pyrophosphate) bonds present in $P_4O_8$.
Hydrolysis of P\(_4\)O\(_{10}\) produces a compound R, which on heating above 320°C yields a compound S. The compounds R and S, respectively, are
The correct trend of acidity of the ions is
Dissolution of SbF\(_5\) in BrF\(_3\) produces
A dilute solution prepared by dissolving a nonvolatile solute in one liter of water shows a depression in freezing point of 0.186 K. This solute neither dissociates nor associates in water. The boiling point of the solution in K (rounded off to three decimal places) is ________.
(Given: For pure water, $T_b = 373.15$ K; $K_f = 1.86$ K mol kg$^{-1}$; $K_b = 0.51$ K mol kg$^{-1}$)
A buffer solution is prepared by mixing 0.3 M NH$_3$ and 0.1 M NH$_4$NO$_3$. If $K_b$ of NH$_3$ is $1.6 \times 10^{-5}$ at 25°C, then the pH (rounded off to one decimal place) of the buffer solution at 25°C is ________.
In qualitative inorganic analysis of metal ions, the ion which precipitates as sulfide in the presence of H$_2$S in warm dilute HCl is

In the following reaction, the major product T is 
\[ \text{(i) NaOMe} \quad \text{(ii) H}_3\text{O}^+, \text{reflux} \quad \text{(iii) Polyphosphoric acid} \]

The compounds having C$_3$-axis of symmetry are 

The number of isomeric structures of di-substituted borazine (B$_3$N$_3$H$_4$X$_2$) is ..........
The number of S–S bond(s) in tetrathionate ion is ..........
The “heme” containing protein(s) is/are
Among the following, the species having see-saw shape is/are
The metal ion (M$^{2+}$) in the following reaction is
\[ \text{M}^{2+} + \text{S}^{2-} \longrightarrow \text{Black precipitate} \xrightarrow{\text{hot conc. HNO}_3} \text{White precipitate} \]
The correct order of enthalpy of hydration for the transition metal ions is
The number of normal modes of vibration in naphthalene is
The correct order of the boiling points of the compounds is
A yellow precipitate is formed upon addition of aqueous AgNO$_3$ to a solution of