In complex compounds the oxidation number is written in
A. English
B. Greek
C. Roman numeral
D. Hebrew
In complex compounds the oxidation number is written in Read More »
Chemistry
The central atom along with ligands is called
A. complex ion
B. coordination sphere
C. ligand
D. complex compound
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The species which donate two electron pairs in a coordination compound is called
A. ligand
B. mono-dentate ligand
C. poly-dentate ligand
D. bi-dentate ligand
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When a compound of transition element is dissolved in a solution of salt then it produces
A. simples ions
B. complex ions
C. double salts
D. strong anions
When light is exposed to transition element then electrons jump from lower orbitals to higher orbitals in
A. orbitals of f-subshell
B. orbitals of d-subshell
C. orbitals of p-subshell
D. both A & B
Compounds attracted by applied strong magnetic field are called
A. diamagnetic
B. paramagnetic
C. good conductor
D. ferromagnetic
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The location of transition elements is in between
A. lanthanides & actinides
B. s and p block elements
C. chalcogens and halogens
D. d and f block elements
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K2 (Cu(CN)4) which one is correct
A. Potassium tetra cyano cupperate
B. Co-ordination number is 2
C. Ligand is positively charged
D. Central atom is present in avionic sphere
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When an active metal like Al comes in contact with less active element like Cu then it produces
A. dry cell
B. galvanic cell
C. electrolytic cell
D. A and B