PRASHNIKAप्रश्निका

Coordination Compounds - ISC Class 12 Chemistry Questions with Answers

57 past-paper questions on Coordination Compounds from ISC Class 12 Chemistry papers (2027-2018), newest first. Open one to see its answer.

Practise these questions with filters

Observe the diagram below of splitting of d-orbital in octahedral field and answer the following questions. Identify the… 2027 · 2 marks · Short answer
Which among the following coordination compound does not give white precipitate of $\text{AgCl}$ when treated with… 2027 · 1 mark · MCQ
Answer the following questions with respect to the coordination complex ion $[\text{Cr}(\text{NH}_3)_6]^{3+}$ What is the… 2027 · 2 marks · Short answer
Answer the following questions: The compound $[\text{PtCl}_2(\text{NH}_3)_2]$ also known as cis-platin, is used in chemotherapy… 2027 · 5 marks · Short answer
For the complex compound $[\text{Fe}(\text{en})_2\text{Cl}_2]\text{Cl}$, identify the following: (1) Oxidation state (2)… 2026 · 5 marks · Long answer
Which one of the following is a tetrahedral complex as well as diamagnetic in nature? 2026 · 1 mark · MCQ
Using IUPAC nomenclature, write the formula for each of the following: hexaaquairon(II) chloride potassium… 2026 · 2 marks · Short answer
The sum of coordination number and oxidation number of metal ‘M’ in the complex $[\text{M}(\text{en})_2\text{Cl}_2]$ is: 2026 · 1 mark · MCQ
$[\text{NiCl}_4]^{2-}$ is paramagnetic while $[\text{Ni}(\text{CO})_4]$ is diamagnetic though both are tetrahedral. Explain the… 2026 · 5 marks · Short answer
Answer the following: When the coordination compound $\text{CoCl}_3\cdot6\text{NH}_3$ is mixed with $\text{AgNO}_3$ solution… 2026 · 5 marks · Long answer
Answer the following: Write the electronic configuration of the following: (1) $d^4$ (high spin octahedral) (2) $d^6$ (low spin… 2026 · 5 marks · Short answer
Using IUPAC nomenclature, write the formula for each of the following: hexaamminecobalt (III) sulphate… 2026 · 2 marks · Short answer
Write the IUPAC names of the following complex compounds: $[\text{Pt}(\text{NH}_3)_4\text{Cl}_2]\text{SO}_4$… 2026 · 2 marks · Short answer
Which of the following orders is correct in spectrochemical series of ligands? (P)… 2026 · 1 mark · MCQ
On the basis of Valence Bond Theory (VBT), state the following regarding $[\text{CoF}_6]^{3-}$ complex ion: (Atomic Number of… 2026 · 5 marks · Short answer
In the complexes, $[\text{Fe}(\text{CN})_6]^{3-}$ and $[\text{Pt}(\text{en})(\text{H}_2\text{O})_2\text{Br}(\text{NO}_2)]^{2+}$… 2026 · 1 mark · MCQ
Answer the following: With reference to Valence Bond Theory (VBT), answer the following questions regarding the complex ion… 2026 · 5 marks · Short answer
The coordination number and the oxidation state of the central metal 'D' in the complex… 2025 · 1 mark · MCQ
Choose the appropriate word(s) from the bracket [+2, ethane, tetrahedral, square planar, zero, dry cell, nickel-cadmium cell… 2025 · 1 mark · Fill in
Do you think $[\text{Co}(\text{en})_3]^{3+}$ will show optical isomerism? If yes, draw the possible isomers and name them. If no… 2025 · 2 marks · Short answer
Which one of the following complex ions has geometrical isomers? 2025 · 1 mark · MCQ
According to Crystal-Field Theory, the electronic configuration of complex compound [A] is $t_{2g}^4 e_g^2$ and that of complex… 2025 · 3 marks · Short answer
The molecular shape of $[\text{Ni}(\text{CO})_4]$ is tetrahedral while that of $[\text{Ni}(\text{CN})_4]^{2-}$ is square planar… 2025 · 3 marks · Short answer
Gia applied magnetic field around $[\text{Fe}(\text{H}_2\text{O})_6]^{2+}$ and $[\text{Fe}(\text{CN})_6]^{4-}$, she found that… 2025 · 1 mark · MCQ
What type of structural isomerism exists between the following pair of coordination compounds?… 2025 · 1 mark · MCQ
Sodium ferrocyanide is used as anti-caking agent in salts and salt substitute. Due to contact with atmospheric moisture, table… 2025 · 3 marks · Short answer
While conducting an experiment on coordination compounds, Shirin observed a white precipitate when $\text{AgNO}_3$ solution was… 2025 · 2 marks · Short answer
During chemistry class, a teacher wrote $[\text{Ni}(\text{CN})_4]^{2-}$ as a coordination complex ion on the board. The students… 2025 · 2 marks · Short answer
On adding silver nitrate solution to $\text{CoBr}_2\text{Cl}\cdot 4\text{NH}_3$, 1 mole of light-yellow precipitate of compound X… 2025 · 1 mark · MCQ
Neha and Imran were given an assignment on the coordination complex $[\text{Co}(\text{NH}_3)_6]\text{Cl}_3$. They had to find the… 2025 · 2 marks · Short answer
Water pollution caused by toxic elements is one of the most important environmental problems in the world. The objectives of this… 2025 · 5 marks · Case based
Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [four, three, remains same, propane… 2025 · 1 mark · Fill in
Food and drug administration (FDA) has approved that Ethylenediamine tetra acetate (EDTA) is a medication in the treatment of… 2025 · 3 marks · Short answer
Choose the appropriate word(s) from the bracket [ethanol, [Fe(H2O)6]2+, anode, d2sp3, Cannizzaro, reducing, cathode, sp3d2… 2025 · 1 mark · Fill in
Answer the following: $[\text{Co}(\text{NH}_3)_6]^{3+}$ is an inner orbital complex whereas $[\text{CoF}_6]^{3-}$ is an outer… 2025 · 3 marks · Short answer
Assuming that cyanide is a strong ligand, write the formula of two coordination complex ions with cyanide and iron having… 2025 · 3 marks · Short answer
The complex ion $[\text{Co}(\text{NH}_3)_5(\text{NO}_2)]^{2+}$ is ____ stable towards an acid than… 2025 · 1 mark · Fill in
Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [four, three, remains same, propane… 2025 · 1 mark · Fill in
Based on Valence Bond Theory (VBT), discuss the hybridisation, shape and charge on metal in $[\text{Ni}(\text{CO})_4]$ complex… 2025 · 2 marks · Short answer
Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [decreases, $\text{CN}^-$ ion… 2024 · 1 mark · Fill in
Crystal field splitting energy (CFSE) for high spin $d^4$ octahedral complex is: 2024 · 1 mark · MCQ
A coordination compound has a formula $\text{CoCl}_3\cdot 4\text{NH}_3$. It precipitates silver ions as $\text{AgCl}$ and its… 2024 · 5 marks · Short answer
When one mole of an isomer of the complex $[\text{Cr}(\text{H}_2\text{O})_6]\text{Cl}_3$ is treated with $\text{AgNO}_3$, it… 2024 · 5 marks · Short answer
Choose the appropriate word(s) from the bracket [lead poisoning, zero, phosgene, dependent, cancer, independent, diethyl ether… 2024 · 1 mark · Fill in
The metal complex ion that is paramagnetic is: (Atomic number of $\text{Fe} = 26$, $\text{Cu} = 29$, $\text{Co} = 27$ and… 2024 · 1 mark · MCQ
Name the type of isomerism shown by the following pairs of coordination compounds: (a)… 2023 · 5 marks · Short answer
Match the following: 2023 · 4 marks · Match
Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [two, Williamson’s synthesis, three… 2023 · 4 marks · Fill in
Name the type of isomerism exhibited by the following pairs of compounds: (a) $[\text{Co}(\text{NH}_3)_5(\text{ONO})]\text{Cl}_2$… 2023 · 5 marks · Short answer
Name the type of isomerism shown by each of the following pairs of compounds… 2022 · 2 marks · Short answer
The type of hybridization involved in Octahedral complexes is: 2022 · 1 mark · MCQ
Write the formula of each of the following compounds: (a) Potassium trioxalatoaluminate (III) (b) Triammine triaquachromium (III)… 2022 · 3 marks · Short answer
Write the IUPAC names of the following complexes: (1) $[\text{Cu}(\text{NH}_3)_4]\text{SO}_4$ (2)… 2020 · 5 marks · Short answer
Name of the type of isomerism exhibited by the following pairs of compounds: (1) $[\text{Co}(\text{ONO})(\text{NH}_3)_5]^{2+}$… 2020 · 5 marks · Short answer
Write the IUPAC names of the following: (1) $\text{K}_3[\text{Fe}(\text{C}_2\text{O}_4)_3]$ (2)… 2019 · 3 marks · Short answer
For the complex ion $[\text{Fe}(\text{CN})_6]^{3-}$, state: (i) the type of hybridisation. (ii) the magnetic behaviour. (iii) the… 2018 · 3 marks · Short answer
What type of isomers are $[\text{Co}(\text{NH}_3)_5\text{Br}]\text{SO}_4$ and $[\text{Co}(\text{NH}_3)_5\text{SO}_4]\text{Br}$?… 2018 · 3 marks · Short answer

Coordination Compounds - ISC Class 12 Chemistry Questions with Answers

Other Chemistry chapters