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.

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

81.

What is the significance of Δ₀?

126 Views

82.

Write IUPAC name of the complex [Co(NH₃)₅SCN]Cl₂.

269 Views

83.

Give the name of following complex using IUPAC norms:
[Co(en)₂(ONO)Cl]Cl.

273 Views

84.

Give the IUPAC name of [NH₄]₃ [Co(ONO)₆].

231 Views

85.

Write the IUPAC name of [Ni(H₂O)₆] (ClO₄)₂.

398 Views

86.

Name the ionisation isomer of [Cr(H₂O)₅Br]SO₄.

504 Views

87. Square planar complexes with coordination number of 4 exhibit geometrical isomerism whereas tetrahedral complexes do not. Why?

405 Views

Cobalt exists in the +3 oxidation state.

Fluorine ion is a weak ligand. It cannot cause the pairing of the 3d electrons. As a result, the Co³⁺ ion will undergo sp³d² hybridzation.

The complex formation involves d-orbitals of the outershell which give a high spin complex.

508 Views

89. [Cu(CN)₄]²⁺ is more stable complex than [Cu(NH₃)₄]⁺. Why?

314 Views

90.

Square planar complexes do not show optical isomerism. Why?

734 Views