Question:
The number of neutrons present in the more abundant isotope of boron is 'x'. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is 'y'. The value of x + y is ...
The number of neutrons present in the more abundant isotope of boron is 'x'. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is 'y'. The value of x + y is ...
Updated On: Nov 21, 2024
- 4
- 6
- 3
- 9
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The Correct Option is D
Solution and Explanation
The more abundant isotope of boron is 11B, which contains 6 neutrons (x = 6). When boron reacts with oxygen:
B + O2 → B2O3
In B2O3, boron has an oxidation state of +3 (y = 3). Thus, x + y = 6 + 3 = 9.
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