D and F Block Elements (JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry): Questions 1 - 4 of 5

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Question number: 1

» D and F Block Elements » Transition Elements » General Introduction

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Appeared in Year: 2014

MCQ▾

Question

Pick out the incorrect statements (CSIR December)

Choices

Choice (4) Response

a.

Dissolves in conc. , but does not from ions.

b.

Oxidizes hot concentrated liberating oxygen.

c.

Is formed when is fused is oxidised by air, .

d.

Decomposition of acidic is not catalyzed by sunlight.

Question number: 2

» D and F Block Elements » Transition Elements » General Introduction

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Appeared in Year: 2014

MCQ▾

Question

The correct statement (s) regarding the binary transition metal carbonyl compound is (are) Atomic numbers (CSIR December)

Choices

Choice (4) Response

a.

Metal-carbon bond strengthens when the oxidation state of the metal is lowered.

b.

Total number of valence shell electrons at metal center in is

c.

These are predominantly low spin in nature

d.

Both a. and c. are correct

Question number: 3

» D and F Block Elements » Transition Elements » Trends in Properties

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MCQ▾

Question

For the CFSE value is , the value of is.

Choices

Choice (4) Response

a.

4

b.

8

c.

6

d.

5

Question number: 4

» D and F Block Elements » Inner Transition Elements » Lanthanides

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MCQ▾

Question

Which of the following statement is not correct?

Choices

Choice (4) Response

a.

La is actually an elements of transition series rather than Lanthanide

b.

is less basic than

c.

In Lanthanide series, ionic radius decreases from

d.

Atomic radius of “Zr” and “Hf” are same because of Lanthanide contraction.

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