List of top Chemistry Questions

Explain the following terms: (i) Zwitter ion
(ii) Peptide bond
(iii) Primary structure of protein
(iv) Polysaccharides

Write the products of the following reactions:
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Write formula of the following coordination compounds:
(x) Tetraammine diaqua cobalt (III) chloride
(y) Potassium trioxalato chromate (III)

Explain the following reactions with examples: (i) Kolbe reaction
(ii) Reimer–Tiemann reaction
(iii) Williamson Ether synthesis

The colour of dilute solutions of [Fe(CN)$_6$]$^{4-$ and [Fe(H$_2$O)$_6$]$^{2+}$ are different. Explain.}

What is elevation of boiling point? A liquid has boiling point 353.23 K. The boiling point of solution becomes 354.11 K after dissolving 1.8 g non-volatile solute of molar mass 58 g mol$^{-1$ to 90 g liquid. Calculate boiling point elevation constant for the liquid.}

How do the following factors affect the velocity of reaction? (i) Concentration
(ii) Temperature
(iii) Catalyst

A cell in which the following reaction occurs:
\[ \text{Zn}_{(s)} + \text{Cu}^{2+}_{(aq)} \rightarrow \text{Zn}^{2+}_{(aq)} + \text{Cu}_{(s)} \] has standard electrode potential \(E^\circ_{\text{cell}} = 1.1~\text{V}\) at \(298~\text{K}\). Calculate the standard Gibbs energy and the equilibrium constant of the cell reaction.

The correct order of increasing acid strength is

Best method of preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is

Oxidation number of cobalt in K[Co(CO)$_4$] is