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Recent questions tagged coordinate-compounds

What is the hybridisation of central metal ion and shape of Wilkinson’s catalyst ?

asked Jan 30, 2017 by sharmaaparna1

1 answer

How $t_{2g}$ and eg orbitals are formed in an octahedral complex ?

asked Dec 28, 2016 by meena.p

1 answer

A, B and C are three complexes of Chromioum with the empirical formula $H_{12}O_{6}Cl_3Cr$. All the three complexes have $Cl$ and $H_2O$ molecules as the ligands. Complex A does not react with conc. $H_2SO_4$. Complexes $B$ and $C$ lose $6.75\%$ and $13.5\%$ of their original weight respectively on heating with conc. $H_2SO_4$. Identify A, B and C.

asked Dec 28, 2016 by meena.p

1 answer

$Fe^{3+} \longrightarrow (A) \quad \longrightarrow \quad (B)$ What are (A) and (B) ? Give IUPAC name of (A) . Find the Spin only magnetic moment of $(B)$

asked Nov 25, 2016 by meena.p

1 answer

What is the value of X in the complex $H_xCo(Co)_4$ on the basis of $EA N$ rule . $(At . No.CO=27)$

asked Nov 23, 2016 by meena.p

1 answer

Why is the silver plating of copper $k[Ag(CN)_2]$is used instead of $AgNO_3$ ?

asked Nov 22, 2016 by meena.p

1 answer

Calculate the overall complex dissociation equilibrium constant for the $Cu(NH_3) _4^{2+}$ ion given that $B_4$ for this complex is $2:1 \times 10^{13}$

asked Nov 17, 2016 by meena.p

1 answer

State a reason for each of the following solutions : (i) $CO^{2+}$ is easily oxidized to $CO^{3+}$ in the presence of a strong ligand (ii) $CO$ is a stronger complexing regent than $NH_3$ (iii) The molecular shape of $Ni(CO)_4$ is not the same as that of $[Ni(CN)_4]^{2-}$

asked Nov 16, 2016 by meena.p

1 answer

Arrange following complex ions in increasing order of crystal field splitting energy $(\Delta _0)$: $[Cr(Cl)_6]^{3-},[Cr(CN)_6]^3,[Cr(NH_3)_6]^{3+}$

asked Nov 8, 2016 by meena.p

1 answer

How do size of particles of absorbent , pressure of gas and prevailing temperature enfluence the extent of absorption of a gas on a solid ?

asked Nov 7, 2016 by meena.p

1 answer

Which compound is used to estimate the hardness of water volumetrically?

asked Nov 4, 2016 by meena.p

2 answers

$CuSO_4.5H_2O$ is blue in colour while $CuSO_4$ is colourless . why ?

asked Nov 3, 2016 by meena.p

1 answer

What do you understand by denticity of ligand ?

asked Nov 2, 2016 by meena.p

1 answer

What is the coordination number of each type of ions in a rock salt type crystal structure ?

asked Oct 31, 2016 by meena.p

1 answer

What are common types of secondary structure of proteins ?

asked Oct 31, 2016 by meena.p

1 answer

(i) Why do compounds having similar geometry have different magnetic moment ? (ii)$FeSO_4$ solution mixed with $(NH_4)_2SO_4$ solution in 1 : 1 molar ratio gives the test of $Fe^{2+}$ ion but $CuSO_4$ solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of $Cu^{2+}$ ion. Explain why ?

asked Oct 27, 2016 by meena.p

1 answer

Do we call metal carbonyls as organometallics ? Why or why not ?

asked Oct 25, 2016 by meena.p

1 answer

Write the IUPAC name of $(i) [Fe(CN)_6]^{3-} \\ (ii) [CoCl_2(en)_2]Cl$

asked Oct 21, 2016 by meena.p

1 answer

Describe a chemical test in each case to distinguish between the following pairs of compounds. (a) Aniline and N-ethyl aniline (b) N- methyl propane -2 amine and N-ethyl methyl ethanamine

asked Oct 20, 2016 by meena.p

1 answer

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