Class 11 Exam > Class 11 Questions > Among the following the electron deficient co...
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Among the following the electron deficient compound is : [2000]
- a)BCl3
- b)CCl4
- c)PCl5
- d)SiF4
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Among the following the electron deficient compound is : [2000]a)BCl3b...
In BCl3 the valence electrons for boron are 6 (3 of boron and 3 of chlorine), so there are two electrons deficient for the octet configuration. Thus, electron deficient molecule is BCl3.
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Among the following the electron deficient compound is : [2000]a)BCl3b...
Electron Deficient Compound:
An electron deficient compound is one that lacks sufficient electrons to complete its valence shell. These compounds typically have an incomplete octet or less than eight valence electrons around the central atom.
Analysis of Options:
a) BCl3: Boron (B) has three valence electrons, and each chlorine (Cl) atom contributes one electron. Therefore, BCl3 has a total of six valence electrons. It is an electron deficient compound as it lacks two electrons to complete its octet.
b) CCl4: Carbon (C) has four valence electrons, and each chlorine (Cl) atom contributes one electron. Therefore, CCl4 has a total of eight valence electrons, fulfilling the octet rule. It is not an electron deficient compound.
c) PCl5: Phosphorus (P) has five valence electrons, and each chlorine (Cl) atom contributes one electron. Therefore, PCl5 has a total of ten valence electrons, exceeding the octet rule. It is not an electron deficient compound.
d) SiF4: Silicon (Si) has four valence electrons, and each fluorine (F) atom contributes one electron. Therefore, SiF4 has a total of eight valence electrons, fulfilling the octet rule. It is not an electron deficient compound.
Conclusion:
Among the given options, BCl3 is the only compound that is electron deficient. It lacks two electrons to complete its valence shell and satisfy the octet rule. Therefore, the correct answer is option 'A' - BCl3.
An electron deficient compound is one that lacks sufficient electrons to complete its valence shell. These compounds typically have an incomplete octet or less than eight valence electrons around the central atom.
Analysis of Options:
a) BCl3: Boron (B) has three valence electrons, and each chlorine (Cl) atom contributes one electron. Therefore, BCl3 has a total of six valence electrons. It is an electron deficient compound as it lacks two electrons to complete its octet.
b) CCl4: Carbon (C) has four valence electrons, and each chlorine (Cl) atom contributes one electron. Therefore, CCl4 has a total of eight valence electrons, fulfilling the octet rule. It is not an electron deficient compound.
c) PCl5: Phosphorus (P) has five valence electrons, and each chlorine (Cl) atom contributes one electron. Therefore, PCl5 has a total of ten valence electrons, exceeding the octet rule. It is not an electron deficient compound.
d) SiF4: Silicon (Si) has four valence electrons, and each fluorine (F) atom contributes one electron. Therefore, SiF4 has a total of eight valence electrons, fulfilling the octet rule. It is not an electron deficient compound.
Conclusion:
Among the given options, BCl3 is the only compound that is electron deficient. It lacks two electrons to complete its valence shell and satisfy the octet rule. Therefore, the correct answer is option 'A' - BCl3.
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Among the following the electron deficient compound is : [2000]a)BCl3b)CCl4c)PCl5d)SiF4Correct answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Among the following the electron deficient compound is : [2000]a)BCl3b)CCl4c)PCl5d)SiF4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the following the electron deficient compound is : [2000]a)BCl3b)CCl4c)PCl5d)SiF4Correct answer is option 'A'. Can you explain this answer?.
Among the following the electron deficient compound is : [2000]a)BCl3b)CCl4c)PCl5d)SiF4Correct answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Among the following the electron deficient compound is : [2000]a)BCl3b)CCl4c)PCl5d)SiF4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the following the electron deficient compound is : [2000]a)BCl3b)CCl4c)PCl5d)SiF4Correct answer is option 'A'. Can you explain this answer?.
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