हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Assertion: Cr(HX2O)X6]ClX2 and [Fe(HX2O)X6]ClX2 are reducing in nature. Reason: Unpaired electrons are present in their d-orbitals.

Advertisements
Advertisements

प्रश्न

Assertion: \[\ce{Cr(H2O)6]Cl2 and [Fe(H2O)6]Cl2}\] are reducing in nature.

Reason: Unpaired electrons are present in their d-orbitals.

विकल्प

  • Assertion and reason both are true, reason is correct explanation of assertion.

  • Assertion and reason both are true but reason is not the correct explanation of assertion.

  • Assertion is true, reason is false.

  • Assertion is false, reason is true.

MCQ
Advertisements

उत्तर

Assertion and reason both are true but reason is not the correct explanation of assertion.

Explanation:

In the complexes, \[\ce{Co}\] exists as \[\ce{Co^{2+}}\] and \[\ce{Fe}\] as \[\ce{Fe^{2+}}\]. Both of the complexes becomes stable by oxidation of metal ion to \[\ce{Co^{3+}}\] and \[\ce{Fe^{3+}}\].

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 9: Coordination Compounds - Exercises [पृष्ठ १२७]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 9 Coordination Compounds
Exercises | Q V. 42. | पृष्ठ १२७

संबंधित प्रश्न

What is meant by unidentate ligand?


Predict the co-ordination No. of cs+ ion if `r_(Cs)^+` = 1.69Å and `r_(Cl)^-` = 1.81Å.


Write applications of co-ordination compounds in medicine and electroplating.


Complete the following reactions

NH3+3Cl2(excess) ---->


Write the IUPAC name of the following coordination compound:

[Cr(NH3)4(H2O)2]Cl3


Which of the following represents a chelate ligand?


The coordination number of the central ion may be obtained from:


What is the coordination number of chromium in \[\ce{[Cr(NH3)2(H2O2)2]Cl3}\]?


In which of the following compounds, the Central metal atom/ion is in the lowest oxidation state?


Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:

Column I (Coordination Compound) Column II (Central metal atom)
A. Chlorophyll 1. rhodium
B. Blood pigment 2. cobalt
C. Wilkinson catalyst 3. calcium
D. Vitamin B12 4. iron
  5. magnesium

Which of the following is an ionic ligand?


The oxidation state of Fe in the brown ring complex [F3(H2O)5NO]SO4 is


The most stable ion is ______.


According to IUPAC nomenclatures, sodium nitroprusside is named as


Which of the following ligands can exhibit linkage isomerism?


What are Heteroleptic complexes?


The following ligand is:


Total sodium ions which are present in one formula unit of sodium ethane-1, 2-diaminetetraacetatochromate (II) and sodium hexanitrito cobaltate (III) are ______.


What is meant by the chelate effect? Give an example.


Explain the following, giving two examples: 

Heteroleptic


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×