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D and F Block Elements NEET Questions. We covered all the D and F Block Elements NEET Questions in this post for free so that you can practice well for the exam.
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D and F Block Elements NEET Objective Questions for Students
How many transition series are present in the long form of the Periodic Table?
a) 2
b) 3
c) 4
d) 5
Option c – 4
Platinum and gold are referred to as noble Metals because
a) They were discovered by Alfred Nobel
b) They are shiny and lustrous
c) They are found in highly active states
d) They are largely unreactive with other substances
Option d – They are largely unreactive with other substances
Which of the following statements about transition elements is incorrect?
a) The last electron enters the d-orbitals
b) Their properties are intermediate between s-block and p-block elements
c) Scandium is the transition element with the smallest atomic number
d) Lanthanum is a transition element and not a lanthanide
Option d – Lanthanum is a transition element and not a lanthanide
In a transition series, the oxidation state
a) Decreases steadily from left to right
b) Increases until the middle of the series and then decreases
c) Decreases until the middle of the series and then increases
d) Does not follow any pattern
Option b – Increases until the middle of the series and then decreases
Paramagnetism in transition elements arises due to
a) Unpaired electrons
b) Paired electrons
c) Vacant d-orbitals
d) Completely filled d-orbitals
Option a – Unpaired electrons
Which of the following elements is ferromagnetic?
a) Chromium
b) Iron
c) Magnesium
d) Aluminium
Option b – Iron
CrO₃ is classified as
a) Acidic oxide
b) Basic oxide
c) Neutral oxide
d) Amphoteric oxide
Option a – Acidic oxide
The oxidation state of chromium in K₂Cr₂O₇ is
a) +5
b) +3
c) +6
d) +7
Option c – +6
The highest oxidation state observed in any transition element is
a) +2
b) +6
c) +7
d) +8
Option d – +8
We covered all the d and f block elements NEET Questions above in this post for free so that you can practice well for the exam.
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