NEET Questions - Chemistry - D & F Block Elements

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Question bank:

Which groups of elements are called d-block elements in modern periodic table ?

1 to 2
3 to 10
3 to 12
13 to 18

Which block elements are more electropositive in modern periodic table ?

s
p
d
f

Which block elements are less electropositive in modern periodic table ?

s
p
d
f

Which elements transist between more electropositive and less electropositive elements ?

s
p
d
f

In modern periodic table, by which name d-block elements are known ?

More electropositive elements
Less electropositive elements
Transition elements
Inner transition elements

Which of the following is an electronic configuration at Th ?

$ [Rn] 5f^\circ 6d^2 7s^2 $
$ [Rn] 5f^2 6d^2 7s^2 $
$ [Rn] 5f^2 6d^2 7s ^\circ $
$ [Rn] 5f '6d^2 7s ^\circ $

By which reason, element -Th is introduce in f-block ?

According to electronic configuration
According to physical properties
According to chemical properties
According to practical properties

When d-block elements are consider as d-block elements ?

d-orbital is fully filled inground state
d-orbital is half filled in ground state.
d-orbital is fully filled in all oxidation states.
d-orbitalis fully filled in only anyone oxidation state.

Which of the following is general electron configuration of transition elements ?

$ (n -1 ) d ^{1-9} ns^{1 -2 } $
$ (n – 1)d 1-10 ns^{1-2} $
$ (n – 1)d^{1-10} ns^1$
$ (n-1)d^{1-9} ns^2 $

Which of the following is an electron configuration of Cr ?

$ [Ar] 3d^4 4s^2 $
$ [Ar] 3d^5 4s^2 $
$ [Ar] 3d^5 4s^1 $
$ [Ar] 3d^5 3s^1$

Which of the following is an electron configuration of Cu ?

$ [Ar] 3d^9 4s^2 $
$ [Ar] 3d^{10} 3s^1 $
$ [Ar] 3d^9 3 s^2 $
$ [Ar] 3d^ {10} 4s^1 $

Which of the following does not considered as transition element ?

Cd
Pd
Ag
Ru

The metal rod does not dissolve, then it should be

Al
Sn
Ag
Pb

Which of the following does not relevant with transition elements ?

Melting points of transition elements are high.
Some ions of transition elements possesses paramagetic properties.
All transition elements dissolves in acid.
Transition elements processes various oxidation state.

Atomic radii of Zn increases in 3d transition series because

Positive charge of nucleus increases
3d orbital is fully filled
Shielding effect
Due to repulsion between $ \bar e - \bar e $ of $ 3 \phi $ -orbital and attraeti on between$ \bar e - \bar e $ decreases

NEET Chemistry Questions: D & F Block Elements

Question bank:

Which groups of elements are called d-block elements in modern periodic table ?

Which block elements are more electropositive in modern periodic table ?

Which block elements are less electropositive in modern periodic table ?

Which elements transist between more electropositive and less electropositive elements ?

In modern periodic table, by which name d-block elements are known ?

Which of the following is an electronic configuration at Th ?

By which reason, element -Th is introduce in f-block ?

When d-block elements are consider as d-block elements ?

Which of the following is general electron configuration of transition elements ?

Which of the following is an electron configuration of Cr ?

Which of the following is an electron configuration of Cu ?

Which of the following does not considered as transition element ?

The metal rod does not dissolve, then it should be

Which of the following does not relevant with transition elements ?

Atomic radii of Zn increases in 3d transition series because