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Electrons of which subshell do not participate in bonding due to inert pair effect?

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Important Questions on Classification of Elements and Periodicity in Properties

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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 29
Thallium shows different oxidation states because :
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 30
In which of the following elements, +3 oxidation state is more stable than +5?
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 31
Select correct statement about radius of an atom:
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 33
Choose the correct order of atomic radii of Fluorine and Neon (in pm) out of the options given below:
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 34
Size of isoelectronic species F-, Ne and Na+ is affected by
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 35
Which of the following order of atomic / ionic radius is not correct?
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 36
Which one of the following statements is incorrect in relation to ionisation enthalpy?
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 37
The first ionisation enthalpies (in eV) of N & O are respectively given by: