Given below are two statements : Statement I : Among [ Cu ( NH _3) _4] ^{2+}, [ Ni ( en )_3) ] ^{2+}, [ Ni ( NH _3) _6] ^{2+} and [ Mn ( H _2 O ) _6] ^{2+}, [ Mn ( H _2 O ) _6] ^{2+} has the maximum number of unpaired electrons. Statement II : The number of pairs among \{ \table [ NiCl _4] ^{2-}, [ Ni ( CO )_4] \} , \{ \table[ NiCl _4] ^{2-}, [ Ni ( CN )_4] ^{2-}\} and \{ \table [ Ni ( CO )_4] , [ Ni ( CN )_4] ^{2-}\} that contain only diamagnetic species is two. In the light of the above statements, choose the correct answer from the options given below: [21 Jan 2026 Shift 1]

Correct Answer is : Statement I is true but Statement II is false

Statement I is false but Statement II is true

Both Statement I and Statement II are false

Both Statement I and Statement II are true

Statement I is true but Statement II is false

Coordination Compounds Part 4

Section: Chemistry

Question : 20 of 38

Marks: +1, -0

Given below are two statements :

Statement I : Among [Cu(NH3)4]2+,[Ni(en)3)]2+,[Ni(NH3)6]2+ and [Mn(H2O)6]2+,[Mn(H2O)6]2+ has the maximum number of unpaired electrons.

Statement II : The number of pairs among {

[NiCl4]2−

[Ni(CO)4]

},{

[NiCl4]2−

[Ni(CN)4]2−

} and {

[Ni(CO)4]

[Ni(CN)4]2−

} that contain only diamagnetic species is two.
In the light of the above statements, choose the correct answer from the options given below:

[21 Jan 2026 Shift 1]

Statement I is false but Statement II is true
Both Statement I and Statement II are false
Both Statement I and Statement II are true
Statement I is true but Statement II is false

Validate

Go to Question:

Prev Question

Next Question