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

Given below are two statements:

Statement I: The Balmer spectral line for H atom with lowest energy is located at $$\frac{5}{36} R_H \mathrm{~cm}^{-1}$$.

($$\mathrm{R}_{\mathrm{H}}=$$ Rydberg constant)

Statement II: When the temperature of blackbody increases, the maxima of the curve (intensity and wavelength) shifts to shorter wavelength.

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

A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify D in the following sequence of reactions:

NEET 2024 (Re-Examination) Chemistry - Alcohol, Phenols and Ethers Question 1 English

A
n-propyl alcohol
B
isopropyl alcohol
C
propanal
D
propionic acid
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the incorrect statement.

A
$$\mathrm{PEt}_3$$ and $$\mathrm{AsPh}_3$$ as ligands can form $$\mathrm{d} \pi-\mathrm{d} \pi$$ bond with transition metals
B
The $$\mathrm{N}-\mathrm{N}$$ single bond is as strong as the $$\mathrm{P}-\mathrm{P}$$ single bond
C
Nitrogen has unique ability to form $$p \pi-p \pi$$ multiple bonds with nitrogen, carbon and oxygen
D
Nitrogen cannot form $$\mathrm{d} \pi-\mathrm{p} \pi$$ bond as other heavier elements of its group
4
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
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