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1
JEE Main 2026 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : ' $\mathrm{C}-\mathrm{Cl}$ ' bond is stronger in $\mathrm{CH}_2=\mathrm{CH}-\mathrm{Cl}$ than $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{Cl}$

Statement II : The given optically active molecule, JEE Main 2026 (Online) 24th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 7 English on

hydrolysis gives a solution that can rotate the plane polarized light.

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

A

Statement I is false but Statement II is true

B

Statement I is true but Statement II is false

C

Both Statement I and Statement II are true

D

Both Statement I and Statement II are false

2
JEE Main 2026 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match the LIST-I with LIST-II } $$

List-I Isothermal process for ideal gas system List-II Work done ( 
<mi>V</mi>

<mi>f</mi>
> 
<mi>V</mi>

<mi>i</mi>


<mi>V</mi>

<mi>f</mi>
> 
<mi>V</mi>

<mi>i</mi>
V_(f) > V_(i) )
A. Reversible expansion I. 
<mi mathvariant="normal">w</mi>
= 0 
<mi mathvariant="normal">w</mi>
= 0 w=0
B. Free expansion II. 
<mi mathvariant="normal">w</mi>
= − 
<mi data-mjx-auto-op="false">nR</mi>
T ln ⁡ 
<msub>

  <mrow data-mjx-texclass="ORD">

    <mtext> </mtext>

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">f</mi>

    </mrow>

  </mrow>

</msub>

<msub>

  <mrow data-mjx-texclass="ORD">

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">i</mi>

    </mrow>

  </mrow>

</msub>


<mi mathvariant="normal">w</mi>
= − 
<mi data-mjx-auto-op="false">nR</mi>
T ln ⁡ 
<msub>

  <mrow data-mjx-texclass="ORD">

    <mtext></mtext>

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">f</mi>

    </mrow>

  </mrow>

</msub>

<msub>

  <mrow data-mjx-texclass="ORD">

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">i</mi>

    </mrow>

  </mrow>

</msub>
w=-nRT ln((V_(f))/(V_(i)))
C. Irreversible expansion III. 
<mi mathvariant="normal">w</mi>
= − 
<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">p</mi>

</mrow>

<mrow data-mjx-texclass="ORD">

  <mrow data-mjx-texclass="ORD">

    <mi data-mjx-auto-op="false">ex</mi>

  </mrow>

</mrow>


<mo data-mjx-texclass="OPEN">(</mo>

<msub>

  <mrow data-mjx-texclass="ORD">

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">f</mi>

    </mrow>

  </mrow>

</msub>

<mo>−</mo>

<msub>

  <mrow data-mjx-texclass="ORD">

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">i</mi>

    </mrow>

  </mrow>

</msub>

<mo data-mjx-texclass="CLOSE">)</mo>


<mi mathvariant="normal">w</mi>
= − 
<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">p</mi>

</mrow>

<mrow data-mjx-texclass="ORD">

  <mrow data-mjx-texclass="ORD">

    <mi data-mjx-auto-op="false">ex</mi>

  </mrow>

</mrow>


<mrow>

  <msub>

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">V</mi>

    </mrow>

    <mrow data-mjx-texclass="ORD">

      <mrow data-mjx-texclass="ORD">

        <mi mathvariant="normal">f</mi>

      </mrow>

    </mrow>

  </msub>  

  <mo>−</mo>  

  <msub>

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">V</mi>

    </mrow>

    <mrow data-mjx-texclass="ORD">

      <mrow data-mjx-texclass="ORD">

        <mi mathvariant="normal">i</mi>

      </mrow>

    </mrow>

  </msub>  

</mrow>
w=-p_(ex)(V_(f)-V_(i))
D. Irreversible compression IV. 
<mi mathvariant="normal">w</mi>
= − 
<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">p</mi>

</mrow>

<mrow data-mjx-texclass="ORD">

  <mrow data-mjx-texclass="ORD">

    <mi data-mjx-auto-op="false">ex</mi>

  </mrow>

</mrow>


<mo data-mjx-texclass="OPEN">(</mo>

<msub>

  <mrow data-mjx-texclass="ORD">

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">i</mi>

    </mrow>

  </mrow>

</msub>

<mo>−</mo>

<msub>

  <mrow data-mjx-texclass="ORD">

    <mi mathvariant="normal">V</mi>

  </mrow>

  <mrow data-mjx-texclass="ORD">

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">f</mi>

    </mrow>

  </mrow>

</msub>

<mo data-mjx-texclass="CLOSE">)</mo>


<mi mathvariant="normal">w</mi>
= − 
<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">p</mi>

</mrow>

<mrow data-mjx-texclass="ORD">

  <mrow data-mjx-texclass="ORD">

    <mi data-mjx-auto-op="false">ex</mi>

  </mrow>

</mrow>


<mrow>

  <msub>

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">V</mi>

    </mrow>

    <mrow data-mjx-texclass="ORD">

      <mrow data-mjx-texclass="ORD">

        <mi mathvariant="normal">i</mi>

      </mrow>

    </mrow>

  </msub>  

  <mo>−</mo>  

  <msub>

    <mrow data-mjx-texclass="ORD">

      <mi mathvariant="normal">V</mi>

    </mrow>

    <mrow data-mjx-texclass="ORD">

      <mrow data-mjx-texclass="ORD">

        <mi mathvariant="normal">f</mi>

      </mrow>

    </mrow>

  </msub>  

</mrow>
w=-p_(ex)(V_(i)-V_(f))

Choose the correct answer from the options given below:

A

A-IV, B-I, C-III, D-II

B

A-I, B-III, C-II, D-IV

C

A-II, B-I, C-III, D-IV

D

A-IV, B-II, C-III, D-I

3
JEE Main 2026 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are statements about some molecules/ions.

Identify the CORRECT statements.

A. The dipole moment value of $\mathrm{NF}_3$ is higher than that of $\mathrm{NH}_3$.

B. The dipole moment value of $\mathrm{BeH}_2$ is zero.

C. The bond order of $\mathrm{O}_2{ }^{2-}$ and $\mathrm{F}_2$ is same.

D. The formal charge on the central oxygen atom of ozone is -1 .

E. In $\mathrm{NO}_2$, all the three atoms satisfy the octet rule, hence it is very stable.

Choose the correct answer from the options given below:

A

B & C Only

B

B, C & D Only

C

A, C & D Only

D

A, B, C, D & E

4
JEE Main 2026 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text {Arrange the following alkenes in decreasing order of stability. } $$

JEE Main 2026 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 12 English

Choose the correct answer from the options given below:

A

III $>$ I $>$ II $>$ IV

B

III $>$ II $>$ I $>$ IV

C

I $>$ III $>$ II $>$ IV

D

$\mathrm{I}>\mathrm{III}>\mathrm{IV}>\mathrm{II}$

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