1.  Mg2+

2.  Na+

3.  O2-

4.  F-

4
Correct Answer :

O<sup>2-</sup>


Explanation :
No Explanation available for this question

1.  CH3-CO.CH2I

2.  CH3I

3.  CHI3

4.  none of these

4
Correct Answer :

CHI<sub>3</sub>


Explanation :
No Explanation available for this question

1.  CH3-CHO

2.  C2H4

3.  CH3COOC2H5

4.  C2H6

4
Correct Answer :

CH<sub>3</sub>-CHO


Explanation :
No Explanation available for this question

1.  14

2.  11

3.  42

4.  30

4
Correct Answer :

14


Explanation :
No Explanation available for this question

1.  4 bridged hydrogens and two terminal hydrogens are present

2.  2 bridged hydrogens and four terminal hydrogens are present

3.  3 bridged and three terminal hydrogens are present

4.  None of the above

4
Correct Answer :

2 bridged hydrogens and four terminal hydrogens are present


Explanation :
No Explanation available for this question

1.  Tetrahedral

2.  angular

3.  Pyramidal

4.  trigonal planar

4
Correct Answer :

Pyramidal


Explanation :
No Explanation available for this question

1.  NO2

2.  CO2

3.  NO2-

4.  CN -

4
Correct Answer :

NO<sub>2</sub>


Explanation :
No Explanation available for this question

1.  NH3

2.  NO

3.  CO

4.  BCl3

4
Correct Answer :

BCl<sub>3</sub>


Explanation :
No Explanation available for this question

1.  PH3

2.  COCl2

3.  NO

4.  N2O

4
Correct Answer :

N<sub>2</sub>O


Explanation :
No Explanation available for this question

1.  MgO

2.  Na2O

3.  Al2O3

4.  BaO

4
Correct Answer :

Al<sub>2</sub>O<sub>3</sub>


Explanation :
No Explanation available for this question

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