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NEET CHEMISTRYOrganic Chemistry – Some Basic Principles and Techniques Easy

Question

Match the oxide given in Column-I with its property given in Column-II:

Column-I (i) Na2ONa_2O (ii) Al2O3Al_2O_3 (iii) N2ON_2O (iv) Cl2O7Cl_2O_7

Column-II (a) Neutral (b) Basic (c) Acidic (d) Amphoteric

Which of the following options is correct?

A

(i)-(b), (ii)-(a), (iii)-(d), (iv)-(c)

B

(i)-(c), (ii)-(b), (iii)-(a), (iv)-(d)

C

(i)-(a), (ii)-(d), (iii)-(b), (iv)-(c)

D

(i)-(b), (ii)-(d), (iii)-(a), (iv)-(c)

Step-by-Step Solution

  1. Analyze Na2ONa_2O (Sodium Oxide): Sodium is a Group 1 alkali metal. Metallic oxides are generally Basic. It reacts with water to form NaOH.
  • Matching: (i) →\rightarrow (b)
  1. Analyze Al2O3Al_2O_3 (Aluminium Oxide): Aluminium oxide shows properties of both acids and bases (reacts with HCl and NaOH). It is a classic Amphoteric oxide.
  • Matching: (ii) →\rightarrow (d)
  1. Analyze N2ON_2O (Nitrous Oxide): Non-metallic oxides are usually acidic, but N2ON_2O, NO, and CO are exceptions known as Neutral oxides.
  • Matching: (iii) →\rightarrow (a)
  1. Analyze Cl2O7Cl_2O_7 (Dichlorine Heptoxide): Chlorine is a non-metal (Group 17). Oxides of non-metals with high oxidation states (+7 here) are strongly Acidic (anhydride of Perchloric acid, HClO4HClO_4).
  • Matching: (iv) →\rightarrow (c)
  1. Conclusion: The correct sequence is (i)-(b), (ii)-(d), (iii)-(a), (iv)-(c).

Exam Context & Concepts Covered

This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Organic Chemistry – Some Basic Principles and Techniques . Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

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Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?

A.$\text{BCl}_3$ and $\text{BrCl}_3$
B.$\text{NH}_3$ and $\text{NO}_3^-$
C.$\text{NF}_3$ and $\text{BF}_3$
D.$\text{BF}_4^-$ and $\text{NH}_4^+$
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A.$CO_{2}, NO_{2}$
B.$NO_{2}^{-}, CO_{2}$
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A.$\text{CO}$, $\text{NO}$
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A.Two
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