1
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II.

LIST I
Alkali Metal
LIST II
Emission Wavelength in nm
A. Li I. 589.2
B. Na II. 455.5
C. Rb III. 670.8
D. Cs IV. 780.0

Choose the correct answer from the options given below :

A
(A)-(II), (B)-(IV), (C)-(III), (D)-(I)
B
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
C
(A)-(I), (B)-(IV), (C)-(III), (D)-(II)
D
(A)-(IV), (B)-(II), (C)-(I), (D)-(III)
2
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The ratio $$\frac{K_P}{K_C}$$ for the reaction :

$$\mathrm{CO}_{(\mathrm{g})}+\frac{1}{2} \mathrm{O}_{2(\mathrm{~g})} \rightleftharpoons \mathrm{CO}_{2(\mathrm{~g})}$$ is :

A
1
B
$$ (\mathrm{RT})^{1 / 2} $$
C
RT
D
$$\mathrm{ \frac{1}{\sqrt{R T}}} $$
3
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct IUPAC name of $$[\mathrm{PtBr}_2(\mathrm{PMe}_3)_2]$$ is :

A
bis(trimethylphosphine)dibromoplatinum(II)
B
dibromodi(trimethylphosphine)platinum(II)
C
dibromobis(trimethylphosphine)platinum(II)
D
bis[bromo(trimethylphosphine)]platinum(II)
4
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement regarding the geometrical isomers of 2-butene is :

A
cis-2-butene and trans-2-butene are not interconvertible at room temperature.
B
trans-2-butene is more stable than cis-2-butene.
C
cis-2-butene has less dipole moment than trans-2-butene.
D
cis-2-butene and trans-2-butene are stereoisomers.
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