NEET 2017 | p-Block Elements Question 27 | Chemistry | NEET - ExamSIDE.com

Joint Entrance Examination

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1

NEET 2017

MCQ (Single Correct Answer)

+4

-1

It is because of inability of ns² electrons of the valence shell to participate in bonding that

A

Sn²⁺ is oxidising while Pb⁴⁺ is reducing

B

Sn²⁺ and Pb²⁺ are both oxidising and reducing

C

Sn⁴⁺ is reducing while Pb⁴⁺ is oxidising

D

Sn²⁺ is reducing while Pb⁴⁺ is oxidising

2

NEET 2017

MCQ (Single Correct Answer)

+4

-1

Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code.

Column $${\rm I}$$			Column $${\rm I}$$$${\rm I}$$
(A)	XX'		(i)	T-shape
(B)	XX'₃		(ii)	Pentagonal bipyramidal
(C)	XX'₅		(iii)	Linear
(D)	XX'₇		(iv)	Square pyramidal
			(v)	Tetrahedral

A

(A) $$ \to $$ (iii); (B) $$ \to $$ (i); (C) $$ \to $$ (iv); (D) $$ \to $$ (ii)

B

(A) $$ \to $$ (v); (B) $$ \to $$ (iv); (C) $$ \to $$ (iii); (D) $$ \to $$ (ii)

C

(A) $$ \to $$ (iv); (B) $$ \to $$ (iii); (C) $$ \to $$ (ii); (D) $$ \to $$ (i)

D

(A) $$ \to $$ (iii); (B) $$ \to $$ (iv); (C) $$ \to $$ (i); (D) $$ \to $$ (ii)

3

NEET 2017

MCQ (Single Correct Answer)

+4

-1

In which pair of ions both the species contain S $$-$$ S bond?

A

S₄O₆^2$$-$$, S₂O₃^2$$-$$

B

S₂O₇^2$$-$$, S₂O₈^2$$-$$

C

S₄O₆^2$$-$$, S₂O₇^2$$-$$

D

S₂O₇^2$$-$$, S₂O₃^2$$-$$

4

NEET 2016 Phase 2

MCQ (Single Correct Answer)

+4

-1

Boric acid is an acid because its molecule

A

contains replaceable H⁺ ion

B

gives up a proton

C

accepts OH^$$-$$ from water releasing proton

D

combines with proton from water molecule.

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