1
JEE Main 2025 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In the given structure, number of sp and $\mathrm{sp}^2$ hybridized carbon atoms present respectively are :

JEE Main 2025 (Online) 24th January Evening Shift Chemistry - Basics of Organic Chemistry Question 18 English

A
3 and 5
B
3 and 6
C
4 and 5
D
4 and 6
2
JEE Main 2025 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify correct statement/s :

(A) $-\mathrm{OCH}_3$ and $-\mathrm{NHCOCH}_3$ are activating group.

(B) $\quad-\mathrm{CN}$ and -OH are meta directing group.

(C) -CN and $-\mathrm{SO}_3 \mathrm{H}$ are meta directing group.

(D) Activating groups act as ortho - and para directing groups.

(E) Halides are activating groups.

Choose the correct answer from the options given below :

A
$(A),(C)$ and (D) only
B
$(A),(B)$ and $(E)$ only
C
(A) and (C) only
D
(A) only
3
JEE Main 2025 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the carbocations from the following is most stable?

A
JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Basics of Organic Chemistry Question 22 English Option 1
B
JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Basics of Organic Chemistry Question 22 English Option 2
C
JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Basics of Organic Chemistry Question 22 English Option 3
D
JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Basics of Organic Chemistry Question 22 English Option 4
4
JEE Main 2025 (Online) 23rd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct stability order of the following species/molecules is :

JEE Main 2025 (Online) 23rd January Morning Shift Chemistry - Basics of Organic Chemistry Question 23 English

A
$\mathrm{q>r>p}$
B
$\mathrm{q>p>r}$
C
$\mathrm{p}>\mathrm{q}>\mathrm{r}$
D
$\mathrm{r>q>p}$
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