I Icre, the compound (D) and rhe basic salr dctecrcd by ir...

I Icre, the compound (D) and rhe basic salr dctecrcd by ir are, rcspecrively (a) $\mathrm{K}_{2} \mathbf{I} \mathbf{l}_{\mathrm{g}} \mathrm{I}_{1}$ and $\mathrm{N} 1 \mathrm{l}_{1}{ }^{\prime}$ (b) Bacycr's reagcnr and $\mathrm{N} 1 \mathrm{l}_{1}$ ' (c) Tollen's reagcnr and $\mathrm{Nll}_{i}{ }^{+}$ (d) $\mathrm{K}_{2} \mathbf{H}_{g} \mathrm{I}_{1}$ and $\mathrm{N}_{1}^{2}$

I Icre, the compound (D) and rhe basic salr dctecrcd by ir are, rcspecrively
(a) $\mathrm{K}_{2} \mathbf{I} \mathbf{l}_{\mathrm{g}} \mathrm{I}_{1}$ and $\mathrm{N} 1 \mathrm{l}_{1}{ }^{\prime}$
(b) Bacycr's reagcnr and $\mathrm{N} 1 \mathrm{l}_{1}$ '
(c) Tollen's reagcnr and $\mathrm{Nll}_{i}{ }^{+}$
(d) $\mathrm{K}_{2} \mathbf{H}_{g} \mathrm{I}_{1}$ and $\mathrm{N}_{1}^{2}$

Key Concepts

Tollens' Reagent

Tollens' reagent is an ammoniacal silver nitrate solution used primarily in qualitative organic analysis to detect aldehyde functional groups. In inorganic contexts, it also serves as an oxidizing agent and forms part of tests for certain reducing compounds, with its characteristic reaction resulting in a silver mirror on the reaction vessel. It exemplifies the use of complex ion formation in identifying chemical species through observable changes.

Basic Salts

Basic salts are compounds formed when a salt contains hydroxide ions or retains an incomplete neutralization relative to a polyprotic acid. These salts often exhibit basic properties in solution, which can be exploited in qualitative analysis to differentiate them from fully neutral salts. Their formation and reaction behavior are key in understanding acid–base equilibria, precipitation reactions, and the solubility of metal hydroxides in inorganic chemistry.

Qualitative Analysis in Inorganic Chemistry

Qualitative analysis in inorganic chemistry involves a systematic approach to identify elements or compounds based on their chemical reactions, solubility, color, and precipitation behaviors. Techniques such as using specific reagents—like Tollens' reagent—or observing the formation of characteristic basic salts help chemists determine the identities of unknown substances through controlled experiments and reaction patterns.

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