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JEE Advanced > d and f Block Elements

Explore popular questions from d and f Block Elements for JEE Advanced. This collection covers d and f Block Elements previous year JEE Advanced questions hand picked by experienced teachers.

Q 1.

Correct4

Incorrect-1

Select the correct statement

A

{tex} \mathrm { ZnSO } _ { 4 } \cdot 7 \mathrm { H } _ { 2 } \mathrm { O } {/tex} is called epsom salt

B

{tex} \mathrm { ZnSO } _ { 4 } \cdot 7 \mathrm { H } _ { 2 } \mathrm { O } {/tex} is isomorphous with Glauber's salt

{tex} \mathrm { ZnSO } _ { 4 } \cdot 7 \mathrm { H } _ { 2 } \mathrm { O } {/tex} with {tex} \mathrm {BaS}{/tex} is called lithopone

D

All the above are correct statement

Q 2.

Correct4

Incorrect-1

Out of {tex} \operatorname { SiCl } _ { 4 } , \operatorname { TiCl } _ { 4 } , \mathrm { PO }_ { 4 } ^ { 3 - } , \mathrm { SO } _ { 4 } ^ { 2 - } , \mathrm { CrO } _ { 4 } ^ { 2 - } , \mathrm { CCl } _ { 4 } {/tex} isostructural are

A

{tex} \mathrm { SiCl } _ { 4 } , \mathrm { TiCl } _ { 4 } {/tex}

B

{tex} \mathrm { SO } _ { 4 } ^ { 2 - } , \mathrm { CrO } _ { 4 } ^ { 2 - } {/tex}

Both (a) and (b)

D

None of these

Q 3.

Correct4

Incorrect-1

Stainless steel is an alloy of

A

{tex} \mathrm { Cu } {/tex}

{tex} \mathrm {Ni}{/tex} and {tex} \mathrm {Cr}{/tex}

C

{tex} \mathrm { Mn } {/tex}

D

{tex} \mathrm { Zn } {/tex}

Q 4.

Correct4

Incorrect-1

Hypo {tex} \left( \mathrm { Na } _ { 2 } \mathrm { S } _ { 3 } \mathrm { O } _ { 3 } \right) {/tex}

A

Dissolves {tex} \mathrm {AgBr}{/tex} in photographic plate

B

Gives white precipitate with {tex} \mathrm { AgNO } _ { 3 } ; {/tex} white precipitate changes to black on dilution

Gives both reactions

D

Gives none of the above reactions

Q 5.

Correct4

Incorrect-1

Calomel {tex} \left( \mathrm { Hg } _ { 2 } \mathrm { Cl } _ { 2 } \right) {/tex} on reaction with ammonium hydroxide gives

A

{tex} \mathrm { HgO } {/tex}

B

{tex} \mathrm { Hg } _ { 2 } \mathrm { O } {/tex}

C

{tex} \mathrm { NH } _ { 2 } - \mathrm { Hg } - \mathrm { Hg } - \mathrm { Cl } {/tex}

{tex} \mathrm { HgNH } _ { 2 } \mathrm { Cl } {/tex}

Explanation

Q 6.

Correct4

Incorrect-1

Which forms protective and non-corrosive oxide layer?

{tex} \mathrm { Cr } {/tex}

B

{tex} \mathrm { Ni } {/tex}

C

{tex} \mathrm { Zn } {/tex}

D

{tex} \mathrm { Cu } {/tex}

Q 7.

Correct4

Incorrect-1

What are the species {tex} A {/tex} and {tex} B {/tex} in the following
{tex} \mathrm { CrO } _ { 3 } + \mathrm { H } _ { 2 } \mathrm { O } \rightarrow \mathrm { A } \stackrel { \mathrm { OH } ^ { - } } { \longrightarrow } \mathrm { B } ? {/tex}

A

{tex} \mathrm { H } _ { 2 } \mathrm { CrO } _ { 4 } , \mathrm { H } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } {/tex}

B

{tex} \mathrm { H } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } , \mathrm { Cr } _ { 2 } \mathrm { O } _ { 3 } {/tex}

C

{tex} \mathrm { Cr } \mathrm { O } _ { 4 } ^ { 2 - } , \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - } {/tex}

{tex} \mathrm { H } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } , \mathrm { CrO } _ { 4 } ^ { 2 - } {/tex}

Explanation

Q 8.

Correct4

Incorrect-1

The metal present in vitamin {tex} \mathrm { B } _ { 12 } {/tex} is

Cobalt

B

Iron

C

Manganese

D

Magnesium

Q 9.

Correct4

Incorrect-1

Of the following transition metals, the maximum number of oxidation states are exhibited by

A

Chromium {tex} ( Z = 24 ) {/tex}

Manganese {tex} ( Z = 25 ) {/tex}

C

Iron {tex}( Z = 26 ) {/tex}

D

Titanium {tex} ( Z = 22 ) {/tex}

Q 10.

Correct4

Incorrect-1

The correct order of ionic radii of {tex} \mathrm { Y } ^ { 3 + } , \mathrm { La } ^ { 3 + } , \mathrm { Eu } ^ { 3 + } {/tex} and {tex} \mathrm { Lu } ^ { 3 + } {/tex} is
(Atomic number of {tex} \mathrm { Y } = 39 , \mathrm { La } = 57 , \mathrm { Eu } = 63 , \mathrm { Lu } = 71 ) {/tex}

A

{tex} \mathrm { Lu } ^ { 3 + } < \mathrm { Eu } ^ { 3 + } < \mathrm { La } ^ { 3 + } < \mathrm { Y } ^ { 3 + } {/tex}

B

{tex} \mathrm { La } ^ { 3 + } < \mathrm { Eu } ^ { 3 + } < \mathrm { L u } ^ { 3 + } < \mathrm { Y } ^ { 3 + } {/tex}

C

{tex} \mathrm { Y } ^ { 3 + } < \mathrm { La } ^ { 3 + } < \mathrm { Eu } ^ { 3 + } > \mathrm { Lu } ^ { 3 + } {/tex}

{tex} \mathrm { Y } ^ { 3 + } < L \mathrm { u } ^ { 3 + } < E \mathrm { u } ^ { 3 + } < L \mathrm { a } ^ { 3 + } {/tex}