Question:
The number of amphoteric oxides in the following is
\[
CO_2,\ GeO_2,\ SnO_2,\ PbO_2,\ CO,\ GeO,\ SnO,\ PbO
\]
The number of amphoteric oxides in the following is
\[
CO_2,\ GeO_2,\ SnO_2,\ PbO_2,\ CO,\ GeO,\ SnO,\ PbO
\]
Show Hint
Important NCERT trend:
\[
GeO_2,\ SnO_2,\ PbO_2
\]
are amphoteric oxides frequently asked in examinations.
Updated On: Jun 17, 2026
- 5
- 3
- 2
- 4
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Concept:
Amphoteric oxides are oxides that react with both acids and bases.
\[
\text{Amphoteric Oxide} + \text{Acid}
\rightarrow
\text{Salt} + H_2O
\]
\[
\text{Amphoteric Oxide} + \text{Base}
\rightarrow
\text{Salt} + H_2O
\]
In Group 14, the acidic character decreases and metallic character increases down the group. Consequently, some oxides become amphoteric.
Step 1: Classify each oxide. \[ CO_2 \] is an acidic oxide. \[ CO \] is a neutral oxide. \[ GeO_2 \] is amphoteric. \[ SnO_2 \] is amphoteric. \[ PbO_2 \] is amphoteric. \[ GeO \] is basic. \[ SnO \] is basic. \[ PbO \] is basic.
Step 2: Count amphoteric oxides. Amphoteric oxides are: \[ GeO_2,\ SnO_2,\ PbO_2 \] Total number: \[ 3 \]
Step 3: Final conclusion. \[ \boxed{3} \] Hence, \[ \boxed{\text{Option (B)}} \]
Step 1: Classify each oxide. \[ CO_2 \] is an acidic oxide. \[ CO \] is a neutral oxide. \[ GeO_2 \] is amphoteric. \[ SnO_2 \] is amphoteric. \[ PbO_2 \] is amphoteric. \[ GeO \] is basic. \[ SnO \] is basic. \[ PbO \] is basic.
Step 2: Count amphoteric oxides. Amphoteric oxides are: \[ GeO_2,\ SnO_2,\ PbO_2 \] Total number: \[ 3 \]
Step 3: Final conclusion. \[ \boxed{3} \] Hence, \[ \boxed{\text{Option (B)}} \]
Was this answer helpful?
0
0
Top AP EAPCET Chemistry Questions
- The four quantum numbers of the valence electron of potassium are :
- The volume of $0.02\, M$ acidified permanganate solution required for complete reaction of $60\, mL$ of $0.01\, MI^{-}$ ion solution to form $I_2$ in $mL$ is
- In which of the following the election gain enthalpy of elements is correctly arranged?
- The radii of $ \text{F,}{{\text{F}}^{-}}\text{O} $ and $ {{\text{O}}^{2-}} $ are in the order
- Which of the following has the highest first ionization potential?
View More Questions
Top AP EAPCET Acidic and Basic Oxides Questions
- What is the equivalent weight of sulphuric acid (H2SO4) in a reaction where it donates 2 H+ ions?
- Which of the following is a strong acid?
- What is the pH of a 0.001 M HCl solution?
- In which one of the following pairs, both oxides are acidic?
- The set of amphoteric oxides among \(ZnO, Tl_2O_3, In_2O_3, B_2O_3, PbO, SnO_2\) is
View More Questions
Top AP EAPCET Questions
- A body is projected from the ground at an angle of $\tan^{-1} \left( \frac{8}{7}\right)$ with the horizontal. The ratio of the maximum height attained by it to its range is
- The four quantum numbers of the valence electron of potassium are :
- A lens forms real and virtual images of an object, when the object is at $u_{1}$ and $u_{2}$ distances respectively. If the size of the virtual image is double that of the real image, then the focal length of the lens is (take, the magnification of the real image as $m$ )
- Two spheres $P$ and $Q$, each of mass $200\, g$ are attached to a string of length one metre as shown in the figure. The string and the spheres are then whirled in a horizontal circle about $O$ at a constant angular speed. The ratio of the tension in the string between $P$ and $Q$ to that of between $P$ and $O$ is $(P$ is at mid-point of the line joining $O$ and $Q$ )
- The volume of $0.02\, M$ acidified permanganate solution required for complete reaction of $60\, mL$ of $0.01\, MI^{-}$ ion solution to form $I_2$ in $mL$ is
View More Questions