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in Chemistry by (55.7k points)

(a) Mark by the "+" in a corresponding window those molecules for which the assertions written on the left side of the Table, are true. 

Assertion  Molecule 
C2H4  N2H4  H2O2  H2F2 
There is a covalent bond between two equal atoms 
The molecule contains a double bond 
The molecule is planar  
The molecule is polar 
There is also a hydrogen bond in the molecule 
It has basic properties in relation to water 

 

(b) The following assertion and Table are incomplete. Fill in the dotted places by a missing word and the missing formulas, respectively. Assertion: The electronic structures of the molecules (ions) being placed in the Table one under the other are . . . . . . .
CH4  C2H6 CO2-3 . . . . . . C2O4 . . . . . 
NH+4 N2H2+6 . . . . . .  NO+2  . . . .  N2
 

1 Answer

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Assertion  Molecule 
C2H4  N2H4  H2O2  H2F2 
There is a covalent bond between two equal atoms  + + +
The molecule contains a double bond  +
The molecule is planar   +
The molecule is polar  +
There is also a hydrogen bond in the molecule  + + +
It has basic properties in relation to water  +

(b) Assertion: The electronic structures of the molecules (ions) being placed in the Table under the other are isoelectronic

CH4  C2H6 CO2-3 CO2 C2O4 C2-2
NH+4 N2H2+6 NO-3 NO+2 N2O4 N2

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