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Which of the following pairs has the same size?

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Important Questions on The d- and f-Block Elements

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 13
Magnetic moment 2.83 B.M. is given by which of the following ions?
(At.nos.Ti=22,Cr=24, Mn=25, Ni=28)
 
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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 14
Which one of the following statements related to lanthanons is incorrect?
 
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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 15
Which of the following does not give oxygen on heating?
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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 16
HgCl2 and 12 both when dissolved in water containing I- ions the pair of species formed is
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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 17

Magnetic moment 2.84 B.M. is given by ______. (At. Numbers: Ni=28,  Ti=22, Cr=24, Co=27)

 

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 18
Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy?
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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 19
The correct order of decreasing second ionisation enthalpy of Ti(22), V(23), Cr(24) and Mn(25) is :
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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 4>Q 20
Which of the following ions will exhibit colour in aqueous solutions?