JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
Match List \(I\) with List \(II\) :-
| सूची-\(I\) coordination compounds | सूची-\(II\) numbar of unpaired electrons |
| \(A\) \(\left[ Cr ( CN )_6\right]^{3-}\) | \(I\) \(0\) |
| \(B\) \(\left[ Fe \left( H _2 O \right)_6\right]^{2+}\) | \(II\) \(3\) |
| \(C\) \(\left[ Co \left( NH _3\right)_6\right]^{3+}\) | \(III\) \(2\) |
| \(D\) \(\left[ Ni \left( NH _3\right)_6\right]^{2+}\) | \(IV\) \(4\) |
- A A - II, B - IV, C - I, D - III
- B A - IV, B-III, C - II, D - I
- C A - III, B - IV, C - I, D - II
- D A - II , B - I , C - IV , D - III
Answer & Solution
Correct Answer
(A) A - II, B - IV, C - I, D - III
Step-by-step Solution
Detailed explanation
For option \((A)\) \(Cr ^{+3}: 3 d ^3\) \(CN ^{-} \rightarrow SFL\) \(\Rightarrow \text { No. of unpaired electrons }=3\) For option \((B)\) \(Fe ^{+2}: 3 d ^6\) \(H _2 O : WFL\) No. of unpaired electrons \(=4\) For option \((C)\) \(Co ^{+3}: 3 d ^6\) \(NH _3: SFL\) No. of…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Given below are two statements
Statement I : A catalyst cannot alter the equilibrium constant \(\left(\mathrm{K}_{\mathrm{c}}\right)\) of the reaction, temperature remaining constant
Statement II : A homogenous catalyst can change the equilibrium composition of a system temperature remaining constant
In the light of the above statements, choose the correct answer from the options given belowJEE Mains 2025 Medium - Identify the correct statement for the below given transformation.
JEE Mains 2022 Medium - Bond distance in \(HF\) is \(9.17\times10^{-11}\, m\). Dipole moment of \(HF\) is \(6.104\times10^{- 30}\, Cm\). The percentage ionic character in \(HF\) will be : .............. \(\%\) ( electron charge \(= 1.60\times10^{-19}\, C\))JEE Mains 2013 Hard
- The total number of \(C - C\) sigma bond/s in mesityl oxide \(\left( C _{6} H _{10} O \right)\) is ...... . (Round off to the Nearest Integer).JEE Mains 2021 Medium
- Which of the following tests cannot be used for identifying amino acids?JEE Mains 2019 Medium
- What happens when an inert gas is added to an equilibrium keeping volume unchanged?JEE Mains 2014 Medium
More PYQs from JEE Mains
- Let \(A=\{0,1,2,3,4,5,6,7\} .\) Then the number of bijective functions \(f: A \rightarrow A\)such that \(f(1)+f(2)=3-f(3)\) is equal to \(.....\)JEE Mains 2021 Hard
- \(250\, \mathrm{~mL}\) of \(0.5\, \mathrm{M}\, \mathrm{NaOH}\) was added to \(500\, \mathrm{~mL}\) of \(1\, \mathrm{M}\, \mathrm{HCl}\) The number of unreacted \(\mathrm{HCl}\) molecules in the solution after complete reaction is \(......\,\times 10^{21}\). (Nearest integer) \(\left(\mathrm{N}_{\mathrm{A}}=6.022 \times 10^{23}\right)\)JEE Mains 2021 Hard
- The number of structural isomers for \(C_6H_{14}\) isJEE Mains 2015 Hard
- A thin biconvex lens is prepared from the glass (\(\mu=1.5\)) both curved surfaces of which have equal radii of \(20\) cm each. Left side surface of the lens is silvered from outside to make it reflecting. To have the position of image and object at the same place, the object should be placed, from the lens at a distance of ________ cm.JEE Mains 2026 Hard
- If the system of equations \(\alpha x+y+z=5, x+2 y+\) \(3 z=4, x+3 y+5 z=\beta\) has infinitely many solutions, then the ordered pair \((\alpha, \beta)\) is equal to:JEE Mains 2022 Medium
- Which of the following curves possibly represent one-dimensional motion of a particle?
Choose the correct answer from the options given below :JEE Mains 2025 Medium