Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 46

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Which of the following statements are correct about $Zn, Cd$ and $Hg$ ?

a. They exhibit high enthalpies of atomization as the $d -$ sub-shell is fully filled.
b. $Zn$ and $Cd$ do not show variable oxidation states while $Hg$ does show.
c. Compounds of $Zn, Cd$ and $Hg$ are paramagnetic.
d. $Zn, Cd$ and $Hg$ are soft metals.

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Important Questions on d-Block and f-Block Elements

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 47

The incorrect statement about ${Cr}^{2 +}$ and ${Mn}^{3 +}$ is/are (Atomic number $Cr = 24, Mn = 25$ ).

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 48

Amongst the following, the most basic oxides are

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 49

Which of the following transition metal ions has the highest magnetic moment?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 50

The equivalent weight of potassium permanganate, when it acts as an oxidizing agent in acidic medium, is:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 51

If

n_{1}

moles of alkaline

{KMnO}_{4}

is required to oxidize

1

mole of

KI

, and

n_{2}

moles of acidified

{KMnO}_{4}

is required to oxidize

1

mole of

KI

, then the ratio of

n_{1}

to

n_{2}

is

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 52

If

M

is the molecular weight of

{KMnO}_{4}

, its equivalent weight in neutral medium will be

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IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 53

What is not true for chromate and dichromate ion?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry 2 NEET>Chapter 3 - d-Block and f-Block Elements>TOPICWISE QUESTIONS>Q 54

Pyrolusite is fused with

KOH

to form a compound

(A)

which in acidic solution forms

B

and

D

, where

B

is in higher oxidation state. What is not true regarding this?
a. The equivalent weight of pyrolusite is

M / 2

when it is converted to

' A'

.
b. The color of

B

is green and that of

D

is black.
c.

A, B,

and

D

are paramagnetic.
d. Bond order of

A

is greater than

B

.