The IR stretchin frequencies of free CO, and CO in are 2143 , 1860 ,2000 and 2090 , respectively. Then correct statement about metal carbonyls is :
(1) 'C-O' bond is strongest in the cation and weakest in the anion.
(2) 'C-O' bond is weakest in the cation and strongest in the anion.
(3) 'C-O' bond is longer in the cation than in the anion.
(4) 'M-C' pi bonding is higher in the cation.
The -acid ligand which uses its d-orbital during synergic bonding in its complex compound:
(1)
(2)
(3)
(4)
Correct sequence of CO bond order in given compounds is:
(P) (Q) CO (R) (S)
1. P>R>S>Q
2. S>P>R>Q
3. Q>S>P>R
4. R>Q>S> P
In which of the following complex ion the value of magnetic moment (spin only) is
BM and outer d-orbitals is used in hybridization.
1.
2.
3.
4.
The inner orbital complex that exhibits geometrical but not exhibit optical isomerism is -
(1)
(2)
(3)
(4)
Match List-I and List-II and select the correct answer using the codes given below the lists:
List-I List-II
(A) (1)
(B) (2)
(C) (3)
(D) (4)
A B C D A B C D
(a) 2 1 3 4 (b) 2 3 1 4
(c) 4 1 3 2 (d) 4 3 1 2
The hybridization of the complex is:
1.
2.
3.
4. Cannot be predicted
Which of the following statement is not true for the reaction given below?
1. It is a ligand substitution reaction.
2. is a relatively strong field ligand while is a weak ligand
3. During the reaction, there is a change in colour from light blue to dark blue
4. , has a tetrahedral structure and is paramagnetic
Which among the following is incorrect?
Complex compounds | Type of hybridization |
1. [V(NH3)6]3+ | d2sp3 |
2. [CrCl3(NMe3)3] | d2sp3 |
3. [Cu(CN)(NO2)(NH3)(py)] | dsp2 |
4. K3[Co(ox)3] | sp3d2 |
Select the correct code of TRUE and FALSE for given statements:
(a) Peroxide ion as well as dioxygen molecule both are paramagnetic species.
(b) In set of isomers, and , both compounds can easily loose water molecule on treatment with conc.
(c)During transformation , bond length and magnetic behaviour decreases
(d) An ether is more volatile than alcohol both having same molecular formula
(a) FFTT (b) FTFT (c) FTTT (d) TFFT