Carbon predominantly forms
A{'text': 'Ionic bonds by losing 4 electrons', 'label': 'A'}
B{'text': 'Covalent bonds by sharing electrons', 'label': 'B'}
C{'text': 'Ionic bonds by gaining 4 electrons', 'label': 'C'}
D{'text': 'Coordinate bonds only', 'label': 'D'}
Answer & Solution
Correct answer: B. {'text': 'Covalent bonds by sharing electrons', 'label': 'B'}
1. Losing 4 electrons requires huge energy — energetically not feasible.
2. Gaining 4 electrons produces highly unstable C⁴⁻ — also not feasible.
3. So carbon shares electrons and forms strong covalent bonds.
4. Sharing gives carbon the ability to form long chains and branched structures.
_Source: NCERT Class 10 Science, Ch 4 "Carbon and its Compounds", §4.1_
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