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

Match List-I with List-II :

List - I
(Test/reagent)
List - II
(Radical identified)
(A) Lake Test (I) NO$$_3^-$$
(B) Nessler's Reagent (II) Fe$$^{3+}$$
(C) Potassium sulphocyanide (III) Al$$^{3+}$$
(D) Brown Ring Test (IV) NH$$_4^+$$

Choose the correct answer from the options given below :

A
A-IV, B-II, C-III, D-I
B
A-II, B-IV, C-III, D-I
C
A-II, B-III, C-IV, D-I
D
A-III, B-IV, C-II, D-I
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II:

List - I
Molecule
List - II
Bond enthalpy (kJ mol$$^{-1}$$)
(A) HCl (I) 435.8
(B) N$$_2$$ (II) 498
(C) H$$_2$$ (III) 946.0
(D) O$$_2$$ (IV) 431.0

Choose the correct answer from the options given below:

A
A-III, B-IV, C-I, D-II
B
A-IV, B-I, C-III, D-II
C
A-IV, B-III, C-II, D-I
D
A-IV, B-III, C-I, D-II
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

The standard cell potential of the following cell $$\mathrm{Zn}\left|\mathrm{Zn}^{2+}(\mathrm{aq})\right| \mathrm{Fe}^{2+}(\mathrm{aq}) \mid \mathrm{Fe}$$ is $$0.32 \mathrm{~V}$$. Calculate the standard Gibbs energy change for the reaction:

$$\mathrm{Zn}(\mathrm{s})+\mathrm{Fe}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Fe}(\mathrm{s})$$

(Given : $$1 \mathrm{~F}=96487 \mathrm{C}$$)

A
$$-61.75 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
B
$$+5.006 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
C
$$-5.006 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
D
$$+61.75 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

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
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