NEET 2025 | p-Block Elements Question 1 | Chemistry

NEET 2025

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement I: Like nitrogen that can form ammonia, arsenic can form arsine.

Statement II: Antimony cannot form antimony pentoxide.

In the light of the above statements, choose the most appropriate answer from the options given below :

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

Both Statement I and Statement II are incorrect

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Identify the incorrect statement from the following :

The acidic strength of $$\mathrm{HX}(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}$$ and $$\mathrm{I})$$ follows the order: $$\mathrm{HF}>\mathrm{HCl}>\mathrm{HBr}>\mathrm{HI}$$.

Fluorine exhibits $$-$$1 oxidation state whereas other halogens exhibit $$+1,+3,+5$$ and $$+7$$ oxidation states also.

The enthalpy of dissociation of $$\mathrm{F}_2$$ is smaller than that of $$\mathrm{Cl}_2$$.

Fluorine is stronger oxidising agent than chlorine.

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Match List I with List II:

	List - I Solid salt treated with dil. H$$_2$$SO$$_4$$		List - II Anion detected
(A)	effervescence of colourless gas	(I)	NO$$_2^-$$
(B)	gas with smell of rotten egg	(II)	CO$$_3^{2-}$$
(C)	gas with pungent smell	(III)	S$$^{2-}$$
(D)	brown fumes	(IV)	SO$$_3^{2-}$$

Choose the correct answer from the options given below:

A-II, B-III, C-IV, D-I

A-IV, B-III, C-II, D-I

A-I, B-II, C-III, D-IV

A-II, B-III, C-I, D-IV

NEET 2024

MCQ (Single Correct Answer)

-1

Among Group 16 elements, which one does NOT show -2 oxidation state?

$$\mathrm{Se}$$

$$\mathrm{Te}$$

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