Chemistry
Fill in the blanks by choosing the correct answer from the brackets:
(a) During electrolysis, the compound …………… in its molten state liberates reddish brown fumes at the anode. [NaCl/PbBr2]
(b) The ion which could be discharged most readily during electrolysis is …………… [Fe2+/Cu2+]
Related Questions
(a) Give the structural formula of the following organic compounds:
- 2-chlorobutane
- Methanal
- But-2-yne
(b) Give the IUPAC name of the following organic compounds:

Identify the cation in each of the following cases:
(a) Ammonium hydroxide solution when added to Solution B gives a white precipitate which does not dissolve in excess of ammonium hydroxide solution.
(b) Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide solution.
Arrange the following as per the instruction given in the brackets:
(a) Al, K, Mg, Ca (decreasing order of its reactivity)
(b) N, Be, O, C (increasing order of non-metallic character)
(c) P, Si, F, Be (decreasing order of valence electrons)
Complete and balance the following equations:
(a) NH4Cl + Ca(OH)2 ⟶
(b) CuSO4 + NH4OH ⟶
(c) Cu + Conc. HNO3 ⟶