Subject: Chemistry, asked on 8/5/18

## Q.177. Which one is a wrong statement ? (1) The value of m for ${d}_{z}2$ is zero. (2) Total orbital angular momentum of electron in 's' orbital is equal to zero. (3) The electronic configuration of N atom is (4) An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers.

Subject: Chemistry, asked on 18/4/18

## Coordinating compound Online 2018 Q.14. The total number of possible isomers for square-planar ${\left[Pt\left(Cl\right)\left(N{O}_{2}\right)\left(N{O}_{3}\right)\left(SCN\right)\right]}^{2-}$ is : 1. 8 2. 12 3. 16 4. 24

Subject: Chemistry, asked on 15/4/18

## How to find whether a coordination compounds are colored or not? explain this question  Q.37. Which of the following compounds is not coloured ? (a) $N{a}_{2}\left[CuC{l}_{4}\right]$ (b) $N{a}_{2}\left[CdC{l}_{4}\right]$ (c) ${K}_{4}\left[Fe{\left(CN\right)}_{6}\right]$ (d) ${K}_{3}\left[Fe{\left(CN\right)}_{6}\right]$

Subject: Chemistry, asked on 29/3/18

## The reduction potential of hydrogen half  cell will be positive if :

Subject: Chemistry, asked on 10/3/18

## ​the bond between cmi and ligand is ionic or covalent

Subject: Chemistry, asked on 9/3/18

## Which of the following solutions has higher freezing point? 0.05 M Al2(SO4 )3 , 0.1 M K3 [Fe(CN)6 ] Justify.

Subject: Chemistry, asked on 9/3/18

## Question (iii) Write the hybridization and magnetic behaviour of the complex $\left[Ni\left(CO{\right)}_{4}\right]$. (At.no. of Ni = 28)

Subject: Chemistry, asked on 9/3/18

## Why low spin tetrahedral are rarely observed? Explain your answer if it is like this one (Due to low CFSC which is not able to pair up electron )

Subject: Chemistry, asked on 9/3/18

## Write the hybridization and magnetic behaviour of the complex [Ni(CO)4]. (At.no. of Ni = 28)

Subject: Chemistry, asked on 25/2/18

## Explain the formation of the complex [FeCl6]^4-.  Calculate magnetic moment and write the 'd' orbital configuration in the complex.

Subject: Chemistry, asked on 23/2/18

## When a coordination compound CrCl5. 6H2O is mixed with AgNO3, 5 moles of AgCl are precipitated per mole of compound. Write the structural formula and the IUPAC name of the complex. I didn't understand why 1 molecule of H2O is also removed along with Cl2. Experts, I need your explanation. Thank you!

Subject: Chemistry, asked on 21/2/18

## 16th last part highlighted one 16.    Write the name, state of hybridisation, shape and magnetic behaviour of the following complex :             All India 2010

Subject: Chemistry, asked on 21/2/18

## 12th solve complete question  12.   Give the formula of each of the following coordination entities:   (i)   $C{o}^{3+}$ ion is bound to One   and two bidentate ethylene diamine (en) molecules.   (ii)   $N{i}^{2+}$  ion is bound to two water molecules and two oxalate ions. Write the name and magnetic behaviour of each of the above coordination entities. (Atomic no. of Co = 27, Ni=28)             Foreign 2012

Subject: Chemistry, asked on 21/2/18

## 25th first 2.parts Q.25. Explain the following cases giving appropriate reasons: (i) Nickel does not form low spin octahedral complexes. (ii) The $\mathrm{\pi }$-complexes are known for the transition metals only.

Subject: Chemistry, asked on 20/2/18

## Identify organic compounds A to J in the following reactions:

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