Test Details

Coordination Compounds

Medium type

Jan 08, 1:20 PM

120 minutes

Jan 08, 3:20 PM

100.0 marks

MCQ

50 questions

MENTOR:N.K.JHA

None a part connected with chemistry is remained untouched by him because his explanation makes each part of it transparent and as clear as water. Moreover the the boredom of some complicated part are converted into an enjoyable game by him.

Class Details

CHEMISTRY

PWC 12th[1-2PM]

CHEMISTRY

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Question Text

Question 1 :
Brown coloured ring is formed in nitrate test. Electronic Configuration of iron in the complex is:

Question 2 :
In which of the following complex ion the value of magnetic moment (spin only) is $\sqrt {3} B.M.$ and outer d-orbitals is used in hybridization.

Question 3 :
Which combination is best explained by the coordinate covalent bond ?

Question 5 :
In which of the compound given below contains more than one kind of hybridization ($sp,sp^{2}$, $sp^{3}$ ) for carbon:

Question 7 :
The hydridisation and unpaired electrons in $\displaystyle \left [ Fe\left ( H_{2}O \right )_{6} \right ]^{2+}$ ion are:

Question 9 :
Why does $NH_{3}$ forms coordination complexes, whereas the isoelectronic species $CH_{4}$ does not?

Question 10 :
${ (SiH }_{ 3 })_{ 3 }N$ is a____base than ${ (CH }_{ 3 })_{ 3 }N$.

Question 13 :
In the hydrocarbon, $H_3\underset{6}{C}-\underset{5}{C}H=\underset{4}{C}H-\underset{3}{C}H_2-\underset{2}{C}\equiv \underset{1}{C}H$<div> The state of hybridization of carbons $1, 3, 5$ are in the following sequence is: </div>

Question 14 :
$\left[ \operatorname { Ti } \left( H _ { 2 } O \right) _ { 6 } \right] Cl _ { 3 }$  has  $Ti$  atom____ hybridiate with unpaired _____ electrons.

Question 15 :
In the formatioin of octahedral complex ligands approach towards _______and_________ orbital of central metal.

Question 16 :
Among the following, which complex compound is diamagnetic?<div>i) $[Co(NH_3)_6]Cl_3$, ii) $[Ni(NH_3)_6]Cl_2$, iii) $[Cr(H_2O)_6]Cl_3$, iv) $[Fe(H_2O)_6]Cl_2$ </div>

Question 19 :
The hybrdisation of the complex $[NiCl_{4}]^{-2}$ is:

Question 22 :
The spin-only magnetic moments of $[Mn(CN)_{6}]^{4-}$ and $[MnBr_{4}]^{2-}$ in Bohr Magnetons, respectively, are:

Question 23 :
Which one of the following complexes is an outer orbital complex ?

Question 24 :
Which of the following molecule is not hypovalent but completes its octet?

Question 26 :
In C-C bond is $C_2H_6$ undergoes heterolytic fission, the hybridisation of two resulting carbon atoms is/are :

Question 29 :
Give a reason for the statement. $'[Ni(CN)_4]^{2-}$ is diamagnetic while $[NiCl_4]^{2-}$ is paramagnetic in nature.

Question 33 :
Which one of the following molecular hybrides acts as a Lewis acid?

Question 34 :
Select outer d-complexes among the following I. $[Fe(CN)_6]^{3-}$ II. $[Fe(H_2O)_6]^{3+}$ III. $[COF_6]^{3-}$ Choose the correct option.

Question 35 :
Which of the following complexes are low spin and diamagnetic? (a) $K_4(Os(CN)_6]$ (b) $[Mo(CO)_6]$ (c) $[Mn(CN)_6]^{4-}$ Select the correct answer using the codes given below:

Question 36 :
In co-ordinate bonds, the acceptor atoms must essentially contain in its valency shell an orbitial:

Question 37 :
Both $[Ni(CO)_4]$ and $[Ni(CN)_4]^{2-}$ are diamagnetic. The types of hybridisation of $Ni$ in these complexes are respectively:

Question 42 :
In which one of the following changes there are transfer of five electrons

Question 45 :
In which one of the following the central atom is $sp^{3}$ hydridised?

Question 50 :
The correct order of hybridisation of the central atom in the following species : $NH_3, [PtCl_4]^{2-}, PCl_5$ and $BCl_3$ is

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