JEE Main 2026 · 5 Apr · Shift 2 · Chemistry Q58

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ChemistrySingle correct+4 / -1Question 58 of 75

Given below are two statements :

Statement I: The number of pairs among $[\ce{Al2O3},\ \ce{Cr2O3}]$ , $[\ce{Cl2O7},\ \ce{Mn2O7}]$ , $[\ce{Na2O},\ \ce{V2O3}]$ and $[\ce{CO},\ \ce{N2O}]$ that contain oxides of same nature (acidic, basic, neutral or amphoteric) is 4.

Statement II: Among $\ce{Na2O}$ , $\ce{Al2O3}$ , CO and $\ce{Cl2O7}$ , the most basic and acidic oxides are $\ce{Na2O}$ and $\ce{Cl2O7}$ , respectively.

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

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Answer and worked solution

Official answer: A

Statement I. Each pair:

$\ce{Al2O3}$ , $\ce{Cr2O3}$ : both amphoteric.
$\ce{Cl2O7}$ , $\ce{Mn2O7}$ : both acidic.
$\ce{Na2O}$ , $\ce{V2O3}$ : both basic.
CO, $\ce{N2O}$ : both neutral.

So all 4 pairs match. True.

Statement II. Of $\ce{Na2O}$ (basic), $\ce{Al2O3}$ (amphoteric), CO (neutral) and $\ce{Cl2O7}$ (strongly acidic), the most basic is $\ce{Na2O}$ and the most acidic is $\ce{Cl2O7}$ . True.

(A)

Topics:Periodic trends in properties

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JEE Main 2026 · 5 Apr · Shift 2, Chemistry question 58