Home
Class 12
CHEMISTRY
Nickel (Z=28) combines with a uninegativ...

Nickel (Z=28) combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex `[NiX_4]^(2-)` . The number of unpaired electron/s in the nickel and geometry of this complex ion are respectively _________.

A

one , square planar

B

Two , square planar

C

one , tetrahedral

D

two, tetrahedral

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The number of unpaired electrons in 1s^2 2s^2 2p^4 is ____.

The number of unpaired electrons in the complex ion [CoF_(6)]^(3-) is _________.

What is (are) number (s) of unpaired electron(s) in the square planar [Pt(CN)_4]^(2-) ion ?

The coordination number and the oxidation state of the element 'E' in the complex [E(en)_2(C_2O_4)]NO_2 (where (en) is etylenediamine ) are , respectively ________.

The element has configuration of [Kr] 4d^7 5s^2 . The number of electrons present in its tripositive ion would be______________.

The effective atomic number for the complex ion [Pd(NH_3)_6]^(4+) is _________. [Given : Pd(Z = 46)]

Draw qualitatively energy-level diagram showing d-orbital splitting in the octahedral environment. Predict the number of unpaired electrons in the complex [Fe(CN)_6]^(4-) . Is the complex diamagnetic or paramagnetic? Is it coloured? Explain.

In the complex with formula MCl_3. 4H_2O , the coordination number of the metal M is six and there is no molecule of hydration in it. The volume of 0.1M AgNO_3 solution needed to precipitate the free chloride ions in 200 mL of 0.01 M solution of the complex is _________.

Convert the complex numbers in polar form and also in exponential form. z = - 6 + sqrt2 i

The parabolas y^(2)=4x and x^(2)=4y divide the square region bounded by the lines x=4, y=4 and the coordinate axes. If S_(1),S_(2),S_(3) are the areas of these parts numbered from top to bottom, respectively, then