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Assertion: [Cu(CN)4]^(2-) is more stable...

Assertion: `[Cu(CN)_4]^(2-)` is more stable than `[Cu(H_2O)_4]^(2+)`
Reason: On heating `[Cu(H_2O)_4]^(2+)` with `NH_3, [Cu(NH_3)_4]^(2+)` is formed.

A

Both A & R are true, R is the correct explanation of A

B

Both A & R are true, R is not correct explanation of A

C

A is true, R is false

D

A is false, R is true

Text Solution

Verified by Experts

The correct Answer is:
B
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  2. (A) : IUPAC name of [Co(H(2)O)(4)Cl(2)]Cl.2H(2)O is tetraaquadichloroc...

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  4. (A): IUPAC name of [Pt Br (en) Cl, is dibromobis (1, 2-ethane diamine)...

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  5. (A): Chlorophyll contains one magnesium atom (R): Chlorophyll is use...

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  6. Why is Cr^(2+) reducing and Mn^(3+) oxidizing even though both have th...

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  7. (A): One mole of CrCl3. 5NH3 in aqueous solutions can give two moles o...

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  9. (A): A cis-isomer has a net dipole moment zero. (R): A cis-isomers h...

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  10. Assertion:Co-ordination compounds are generally formed by transition m...

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  11. (A) : Aqueous solution of Mohr's salt exhibits the test for NH4^(+), F...

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  12. (A): Complexes containing ambidentate ligands exhibit co-ordination is...

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  13. (A): Metalcarbonyls can be called organometallics. (R): Metal carbon...

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  14. Assertion: The complex [Co(NH3)3Cl3] gives no precipitate with AgNO3 s...

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  15. Assertion: [Cu(CN)4]^(2-) is more stable than [Cu(H2O)4]^(2+) Reason...

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  16. (A): Chelates are relatively more stable than non-chelated complexes. ...

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  17. (A): [Fe(edta)] complex is octahedral in shape (R): edta ligand is ...

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  18. Assertion:Ni(CO)4 complex is tetrahedral in shape Reason: Ni atom u...

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