1
JEE Main 2024 (Online) 27th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the correct option having all the elements with $$\mathrm{d}^{10}$$ electronic configuration from the following :

A
$${ }^{46} \mathrm{Pd},{ }^{28} \mathrm{Ni},{ }^{26} \mathrm{Fe},{ }^{24} \mathrm{Cr}$$
B
$${ }^{29} \mathrm{Cu},{ }^{30} \mathrm{Zn},{ }^{48} \mathrm{Cd},{ }^{47} \mathrm{Ag}$$
C
$${ }^{27} \mathrm{Co},{ }^{28} \mathrm{Ni},{ }^{26} \mathrm{Fe},{ }^{24} \mathrm{Cr}$$
D
$${ }^{28} \mathrm{Ni},{ }^{24} \mathrm{Cr},{ }^{26} \mathrm{Fe},{ }^{29} \mathrm{Cu}$$
2
JEE Main 2024 (Online) 27th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement regarding conformations of ethane is :

A
The dihedral angle in staggered conformation is $$60^{\circ}$$.
B
Ethane has infinite number of conformations.
C
Eclipsed conformation is the most stable conformation.
D
The conformations of ethane are inter-convertible to one-another.
3
JEE Main 2024 (Online) 27th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The final product A, formed in the following reaction sequence is:

JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Hydrocarbons Question 18 English

A
JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Hydrocarbons Question 18 English Option 1
B
JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Hydrocarbons Question 18 English Option 2
C
$$\mathrm{Ph}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$$
D
$$\mathrm{Ph}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3$$
4
JEE Main 2024 (Online) 27th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Bond line formula of HOCH(CN)$$_2$$ is :

A
JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Basics of Organic Chemistry Question 45 English Option 1
B
JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Basics of Organic Chemistry Question 45 English Option 2
C
JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Basics of Organic Chemistry Question 45 English Option 3
D
JEE Main 2024 (Online) 27th January Evening Shift Chemistry - Basics of Organic Chemistry Question 45 English Option 4
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