List of top Chemistry Questions

Write IUPAC names of the following:
(i) K$_3$[AlF$_6$]
(ii) [Fe(H$_2$O)$_6$]Cl$_2$
(iii) [Co(NH$_3$)$_5$Cl]SO$_4$
(iv) K$_3$[Fe(CN)$_6$]

How will you convert (Write chemical equation only):
(i) Propene into propan-2-ol (ii) Benzyl chloride into benzyl alcohol (iii) Phenol into 2,4,6-tribromophenol (iv) Phenol into picric acid (v) Salicylic acid into phenol

What happens when (Write chemical equation only):
(i) Silver propionate reacts with Br$_2$ in CCl$_4$:
(ii) Bromobenzene reacts with Mg in the presence of dry ether:
(iii) Methyl bromide reacts with KCN (alc.):
(iv) Ethyl bromide is heated with sodium ethoxide:
(v) Ethyl bromide reacts with silver acetate:

Write the colour of the following ions in aqueous solution: (i) Zn$^{2+$ (ii) Cu$^{2+}$ (iii) Fe$^{2+}$.}

Write the names of the reagents used in the following reactions:
i) Conversion of benzyl alcohol into benzoic acid
ii) Formation of butan-2-ol from butan-2-one

How will you convert ethanol into the following compounds? Write chemical equation only.
(i) 3-Hydroxybutanol (ii) But-2-enal

6 g urea is dissolved in 200 g water. Calculate the elevation in boiling point. Molal elevation constant for water is 0.52 K kg mol$^{-1$.}

Write the definition of osmotic pressure. Calculate the osmotic pressure of 2% aqueous solution of urea at 27$^\circ$C. Solution constant $R = 0.082\ \text{L atm K^{-1}\ \text{mol}^{-1}$.}

Complete the following chemical equation: \(\; \mathrm{C_2H_5Br} \xrightarrow[\text{}]{\mathrm{KOH(aq)} (A) \xrightarrow[\Delta]{\mathrm{K_2Cr_2O_7,\;H_2SO_4}} (B)\).}

Deficiency of which vitamin causes scurvy?

How many primary amines are possible for the formula C$_4$H$_{11$N?}

Which compound of the following does \(\underline{not}\) reduce Fehling's solution?

Total how many ions are there in [Co(NH$_3$)$_5$Cl]Cl$_2$ solution?

100 ml of 10 M HCl is mixed with 75 ml of 10 M Na$_2$CO$_3$. The resulting solution would be –

Number of unpaired electrons in Cu$^{2+$ (Z = 29) is –}