The metal used to recover copper from a solution of CuSO4&nb

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

321.

Which of the following orders regarding ionisation energy is correct?

  • N > O > F

  • N < O < F

  • N > O < F

  • N < O < F


322.

Identify [A] and [B] in the following

Ac89227 -β [A] -α [B] -α Rn

  • Po, Rn

  • Th, Po

  • Ra, Th

  • Th, Ra


323.

The electronic configuration 1s2, 2s22p6, 3s23p63d9 represents a

  • metal atom

  • non metal atom

  • non-metallic anion

  • metallic cation


324.

In a given shell the order of screening effect is

  • s > p > d > f

  • s > p > f > d

  • f > d > p > s

  • s < p < d < f


Advertisement
325.

Identify the least stable ion amongst the following.

  • Li-

  • Be-

  • B-

  • C-


326.

The ionisation energy of hydrogen atom is 13.6eV. What will be the ionisation energy of He+?

  • 13.6 eV

  • 54.4 eV

  • 122.4 eV

  • Zero


327.

Which element has highest electronegativity ?

  • F

  • He

  • Ne

  • Na


328.

The correct order of radii is

  • N <Be <B

  • F-<O2-<N3-

  • Na< Li< K

  • Fe3+< Fe2+< Fe4+


Advertisement
329.

Which of the following element shows maximum valency ?

  • Carbon

  • Barium

  • Nitrogen

  • Sulphur


Advertisement

330.

The metal used to recover copper from a solution of CuSO4 is :

  • Fe

  • He

  • Na

  • Ag


A.

Fe

From a solution of CuSO4, Cu can be recovered by Fe metal. Because Fe is more reactive than Cu, it replace Cu easily.


Advertisement
Advertisement