12th chemistry|P block|p ब्लॉक|Important chapter|Bihar Board|

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Topic cover
Inert pair iffect
अक्रीय युग्म प्रभाव
Back Bonding
पाश्च bandhan
Chemical properties
रसायनिक गुण
1) वायु से अभिक्रिया
2)अम्ल से अभिक्रिया
3) हैलाइड से अभिक्रिया

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