Among the following complexes (K-P) :
$K _3[Fe(CN _6]-K  $ and $  [Co(NH _3) _6]Cl _3-L$ ; 
$Na _3[Co(oxalate) _3]-M $ and    $  [Ni(H _2O) _6]Cl _2-N$ ;
$K _2[Pt(CN) _4]-O$ and $[Zn(H _2O) _6](NO _3) _2 - P$;
the diamagnetic complexes are:

According to Werner's coordination theory, there are _______ kinds of valency, _______ and ___. The primary valency of a central metal ion is satisfied with _____.

Which of the following sets of examples and geometry of the compounds is not correct?

Which of the following complexes will have a tetrahedral shape?

The two isomers X and Y with the formula $Cr(H _2O) _5ClBr _2$ were taken for experiment on depression in freezing point. It was found that one mole of X gave depression corresponding to $2$ moles of particles and one mole of Y gave depression due to $3$ moles of particles. The structural formulae of X and Y respectively are:

Number of chlorides satisfying secondary valency in $CoCl _{3},\ 4NH _{3}$

The secondary valency of Chromium in $[Cr(en) _3]CI _3$ is

According to Werner’s theory of valency transition metals possesses:

Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy ?

The co-ordination number of a metal in co-ordination compound is:

How many of the following metals when heated in an atmosphere of N2 gas form nitrides ?
Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba

1 mole of co-ordinate compound $CoCl _3$ on reaction with excess AgNCl $143.5$gms of AgCl ppt . Then number of chloride ions satisfying both primary valency and secondary valency are?

According to Werner's theory the primary valency and secondary valency in complex $[Co(NH _3) _4Cl _2]Cl$ is respectively:

Which of the following is not correctly matched ? 

According to Werner's theory state which of the following statements are correct:

The primary velency of the cemtral transition metal ion in comlex compounds $[Cr(NH _3) _4CI _2]CI$

Select correct statement about "Ziese's salt' $K[PtCI _{3}(n^ {2}-C _{2}H _{4})]$

The primary valency of iron in ${{\text{K}} _{\text{4}}}\left[ {{\text{Fe}}{{\left( {{\text{CN}}} \right)} _{\text{6}}}} \right]$ is 

The units of solubility product of silver chromate $(Ag 2CrO _4)$ will be _________.

In $CuSO _4.5H _2O$ how many molecules of water are indirectly connected to Cu? 

The primary valence of the metal ion is satisfied by :

Secondary valencies correspond to ____________ of the metal atom and are satisfied by ligands.

$2.33$g of compound X(empirical formula $CoH _{12}N _4Cl _3)$ upon treatment with excess $AgNO _3$ solution produces $1.435$g of a white precipitate. The primary and secondary valences of cobalt in compound X, respectively, are.
[Given : Atomic mass: $Co=59, Cl=35.5, Ag=108$].

Several octahedral complexes are possible from combinations of $Co^{3+}, Cl^{-}$ and $NH {3}$. The correct statement(s) regarding the octahedral coordination entities having the formula .$[Co(NH _{3}) _{n}Cl _{6 - n}]^{(n - 3)+}$ with $n\geq 3$, is/ are____________.

In the separation of $Cu^{2+}$ and $Cd^{2+}$ in the second group of qualitative analysis of cations, tetraamine copper (ll) sulphate and tetraamine cadmium (ll) sulphate react with KCN to form corresponding cyano complexes. Which of the following pairs of complexes and their relative stability enables the separation of $Cu^{2+}$ and $Cd^{2+}$?

Primary and secondary valency of platinum in the complex $[Pt(en) _{2}Cl _{2}]$ are:

How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with $ Ca^{2+} $?

which has the maximum conductivity in thier 0.1M solution?

The number of complexes that can be can be made with varying $NH _3$ ligands to satisfy primary and secondary valencies of platinum are:

Which of the following statement(s) is/are correct?

When $AgNO _3$ is added to a solution of $Co(NH _3) _5 Cl _3$, the precipitate of $AgCl$ shows two ionized chloride ions. This means: