1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Identify the incorrect statement from the following :

A
The acidic strength of $$\mathrm{HX}(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}$$ and $$\mathrm{I})$$ follows the order: $$\mathrm{HF}>\mathrm{HCl}>\mathrm{HBr}>\mathrm{HI}$$.
B
Fluorine exhibits $$-$$1 oxidation state whereas other halogens exhibit $$+1,+3,+5$$ and $$+7$$ oxidation states also.
C
The enthalpy of dissociation of $$\mathrm{F}_2$$ is smaller than that of $$\mathrm{Cl}_2$$.
D
Fluorine is stronger oxidising agent than chlorine.
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-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
A-II, B-III, C-IV, D-I
B
A-IV, B-III, C-II, D-I
C
A-I, B-II, C-III, D-IV
D
A-II, B-III, C-I, D-IV
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

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

A
O
B
$$\mathrm{Se}$$
C
$$\mathrm{Te}$$
D
Po
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to $$\mathrm{VI}$$.

A. $$\mathrm{Al}^{3+}$$

B. $$\mathrm{Cu}^{2+}$$

C. $$\mathrm{Ba}^{2+}$$

D. $$\mathrm{Co}^{2+}$$

E. $$\mathrm{Mg}^{2+}$$

Choose the correct answer from the options given below.

A
B, A, D, C, E
B
B, C, A, D, E
C
E, C, D, B, A
D
E, A, B, C, D
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