HARD
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Which one of the following lanthanide ions does not exhibit paramagnetism?

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Important Questions on d- and f-Block elements

MEDIUM
The most basic hydroxide among the following is-
EASY
Which of the following cations has the strongest tendency towards complex formation?
EASY
Which of the following properties is NOT of lanthanoids?
EASY
Which one of the following statements related to lanthanons is incorrect?
EASY
Given below are two statements:

Statement I : CeO2 can be used for oxidation of aldehydes and ketones.

Statement II : Aqueous solution of EuSO4 is a strong reducing agent. In the light of the above statements, choose the correct answer from the options given below:

MEDIUM
Among Ce4f15d16s2, Nd4f16s2, Eu4f76s2 and Dy4f106s2, the elements having highest and lowest 3rd ionisation energies, respectively are
MEDIUM
Which one of the following lanthanides exhibits +2 oxidation state with diamagnetic nature ? (Given Z for Nd=60,Yb=70,La=57,Ce=58)
MEDIUM

Which of the following lanthanoid is diamagnetic?

Atomic no's Sm=62, Ce=58, Eu=63, Yb=70

HARD

Identify the formula of compound (B) formed in following reaction.

(i) Lanthanoide (Ln) burnt in oxygen forming compound (A)

(ii) Compound (A) reacts with CO2 in excess to form compound (B)

EASY
Which statement is incorrect with reference to inner transition elements?
EASY
The lanthanide ion that would show colour is:
EASY
Which of the following elements involves gradual filling of 4f - levels?
EASY
Which one of the following lanthanoids does not form MO2? [M is lanthanoid metal]
HARD
The incorrect statement among the following is:
MEDIUM

Which of the following statements is incorrect?

MEDIUM
The most basic hydroxide among the following is
EASY
Which of the following statement is not correct?
EASY
Mischmetal is an alloy consisting mainly of :
EASY
Knowing that the chemistry of lanthanides (Ln) is dominated by their +3 oxidation state, which of the following statements is incorrect?