286957 During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of \(\mathrm{Fe}^{2+}\) ion?

286958 Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to VI.
A. \(\mathrm{Al}^{3+}\)
B. \(\mathrm{Cu}^{2+}\)
C. \(\mathrm{Ba}^{2+}\)
D. \(\mathrm{Co}^{2+}\)
E. \(\mathrm{Mg}^{2+}\)
Choose the correct answer from the options given below.

286959 Brown ring test is used to detect

286957 During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of \(\mathrm{Fe}^{2+}\) ion?

286958 Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to VI.
A. \(\mathrm{Al}^{3+}\)
B. \(\mathrm{Cu}^{2+}\)
C. \(\mathrm{Ba}^{2+}\)
D. \(\mathrm{Co}^{2+}\)
E. \(\mathrm{Mg}^{2+}\)
Choose the correct answer from the options given below.

286959 Brown ring test is used to detect

286957 During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of \(\mathrm{Fe}^{2+}\) ion?

286958 Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to VI.
A. \(\mathrm{Al}^{3+}\)
B. \(\mathrm{Cu}^{2+}\)
C. \(\mathrm{Ba}^{2+}\)
D. \(\mathrm{Co}^{2+}\)
E. \(\mathrm{Mg}^{2+}\)
Choose the correct answer from the options given below.

286959 Brown ring test is used to detect