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MODEL PAPER 5 — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 55 Marks
Question
Write the formulas for the following coordination compounds:
a. Tetraammineaquachloridocobalt(III) chloride
b. Potassium tetrahydroxidozincate(II)
c. Potassium trioxalatoaluminate(III)
d. Dichloridobis(ethane-1, 2-diamine)cobalt(III)
e. Tetracarbonylnickel(0)
✓

Answer

a. The formula of Tetraammineaquachloridocobalt(III) chloride is $\left[ Co \left( NH _3\right)_4\left( H _2 O \right) Cl ^2\right) Cl _2$.
b. The formula of Potassium tetrahydroxidozincate(II) is $K _2\left[ Zn ( OH )_4\right]$.
c. The formula of potassium trioxalatoaluminate(III) is $K _3\left[ Al \left( C _2 O _4\right)_3\right]$.
d. The formula of Dichloridobis(ethane-1, 2-diamine)cobalt(III) is $\left[ CoCl _2( en )^2\right]^{+}$.
e. The formula of Tetracarbonylnickel $(0)$ is $\left[ Ni ( CO )_4\right]$.

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