Question

The screening effect of inner electrons of the nucleus causes

A. decrease in the ionization energy  
B. increase in the ionization energy
C. no effect on the ionization energy
D. increases the attraction of the nucleus for the electrons
Answer :   decrease in the ionization energy
Solution :
Higher the screening effect, lower is the $$I.E.$$

Releted MCQ Question on
Inorganic Chemistry >> Classification of Elements and Periodicity in Properties

Releted Question 1

The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is

A. $$C > N > O > F$$
B. $$O > N > F > C$$
C. $$O > F > N > C$$
D. $$F > O > N > C$$
Releted Question 2

The element with the highest first ionization potential is

A. boron
B. carbon
C. nitrogen
D. oxygen
Releted Question 3

The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by

A. $$14.6,13.6\,$$
B. $$13.6,14.6$$
C. $$13.6,13.6$$
D. $$14.6,14.6$$
Releted Question 4

Atomic radii of fluorine and neon in $$\mathop {\text{A}}\limits^ \circ $$ngstorm units are respectively given by

A. $$0.72,1.60$$
B. $$1.60,1.60\,$$
C. $$0.72,0.72\,\,$$
D. None of these values

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Classification of Elements and Periodicity in Properties


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