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Integer Answer Type Questions for JEE: d & f Blocks | Chapter-wise Tests for JEE Main & Advanced PDF Download

Q.1. If co-ordination number of [M2+] is four, how many moles of acetylacetonate anion is needed to form stable complex 

Ans. 2
Acetyl acetate anion is bidentate ligand, so two moles are needed
Integer Answer Type Questions for JEE: d & f Blocks | Chapter-wise Tests for JEE Main & Advanced


Q.2. An ionic compound AB has zinc blende structure. If the radius of A+ is 11.25 pm, then the ideal radius of B- is

Ans. 50 pm
In zinc blende structure Zn is in alternate tetrahedral void surrounded by  4 sulphide ions.
Integer Answer Type Questions for JEE: d & f Blocks | Chapter-wise Tests for JEE Main & Advanced
From this Integer Answer Type Questions for JEE: d & f Blocks | Chapter-wise Tests for JEE Main & Advanced can be calculated.


Q.3. The number of unpaired electrons in Mn+3 is

Ans. 4
Integer Answer Type Questions for JEE: d & f Blocks | Chapter-wise Tests for JEE Main & Advanced


Q.4. In acidic medium one mole of Integer Answer Type Questions for JEE: d & f Blocks | Chapter-wise Tests for JEE Main & Advanced accepts how many moles of electrons in a redox process?

Ans. 5
Oxidation state of Mn changes from +7 to +2 in acidic medium i.e. one mole of it accepts 5 mole of electrons.


Q.5. The equivalent weight of potassium permanganate for acid solution is

Ans. 31.6
Equivalent weight of KMnO4 in acidic medium is M/5
∴ Equivalent weight = 158/5 = 31.6

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