Match the following? property metal (a) Element with highest second ionization enthalpy Δ i H 2 ( i ) Co (b) Element with highest third ionization enthalpy Δ i H 3 ( ii ) Cr (c) M in M ( CO ) 6 ( iii ) Cu (d) Element with highest heat of atomization Δ a H ( iv ) Zn ( v ) Ni

( a → iii ) , ( b → iv ) , ( c → ii ) , ( d → v )

( a → iii ),( b → i ),( c → v ),( d → iv )

( a → iv ) , ( b → i ) , ( c → ii ) , ( d → iii )

( a → v ) , ( b → iv ) , ( c → i ) , ( d → iii )

Match the following? property metal (a) Element with highest second ionization enthalpy Δ i H 2 ( i ) Co (b) Element with highest third ionization enthalpy Δ i H 3 ( ii ) Cr (c) M in M ( CO ) 6 ( iii ) Cu (d) Element with highest heat of atomization Δ a H ( iv ) Zn ( v ) Ni

( a → iii ) , ( b → iv ) , ( c → ii ) , ( d → v )

( a → iii ),( b → i ),( c → v ),( d → iv )

( a → iv ) , ( b → i ) , ( c → ii ) , ( d → iii )

( a → v ) , ( b → iv ) , ( c → i ) , ( d → iii )

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For which one of the following elements, $M^{3 +} ∣ M^{2 +}$ standard electrode potential is more positive?

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Important Questions on d- and f- Block Elements

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET 2021 (19-Aug Forenoon)>Q 4

A compound

A

is used in paints instead of salts of lead. Compound

A

is obtained when a white compound

B

is strongly heated. The compound

B

is insoluble in water but dissolves in

NaOH

solution, forming a solution of compound

C

. The compound

A

on heating with coke gives a volatile metal

D

and a gas

E

which burns with a blue flame. Identify the possible species

D

and

C

can be respectively?

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET 2021 (19-Aug Afternoon)>Q 5

The magnetic moment of

{Fe}^{2 +}

B . M .

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET - 20 Aug 2021 Forenoon>Q 6

Which of the following is not arranged in the correct sequence?

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET - 20 Aug 2021 Forenoon>Q 7

Which among the following is colored?

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET - 20 Aug 2021 Afternoon>Q 8

Match the following?

property	metal
(a) Element with highest second ionization enthalpy $(Δ_{i} H_{2})$	$(i) Co$
(b) Element with highest third ionization enthalpy $(Δ_{i} H_{3})$	$(ii) Cr$
(c) $M$ in $[M (CO)_{6}]$	$(iii) Cu$
(d) Element with highest heat of atomization $(Δ_{a} H)$	$(iv) Zn$
	$(v) Ni$

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET 2021 (19-Aug Forenoon)>Q 9

Which among the following species acts as a self-indicator?

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET - 20 Aug 2021 Afternoon>Q 10

In the following reactions (i)

{MnO}_{2} + 4 HCl \to

and (ii)

2 {KMnO}_{4} + 16 HCl \to

, the number of moles of chlorine gas released respectively are

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 25 - d- and f- Block Elements>AP EAPCET - 20 Aug 2021 Afternoon>Q 11

A purple colored compound of Manganese

(X)

decomposes on heating to liberate oxygen and forms compounds of Manganese (

Y

and

Z

) compound

Z

reacts with

KOH

in presence of potassium nitrate to give compound

Y

. Compounds

X, Y

and

Z

respectively are

For which one of the following elements, M3+∣M2+ standard electrode potential is more positive?

Important Questions on d- and f- Block Elements

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For which one of the following elements, $M^{3 +} ∣ M^{2 +}$ standard electrode potential is more positive?