1.  Na+

2.  Mg2+

3.  O2-

4.  F-

4
Correct Answer :

O2-


Explanation :
No Explanation available for this question

1.  Nitrogen

2.  Oxygen

3.  Fluorine

4.  Neon

4
Correct Answer :

Oxygen


Explanation :
No Explanation available for this question

1.  Nitrogen has high electro negativity

2.  Boron has smaller atomic radius than nitrogen

3.  Boron has an empty 'p' orbital and nitrogen has a lone pair of electrons

4.  Boron has electropositive character

4
Correct Answer :

Boron has an empty 'p' orbital and nitrogen has a lone pair of electrons


Explanation :
No Explanation available for this question

1.  2

2.  4

3.  6

4.  8

4
Correct Answer :

6


Explanation :
No Explanation available for this question

1.  1/2

2.  1/4

3.  1/16

4.  15/16

4
Correct Answer :

15/16


Explanation :
No Explanation available for this question

1.  Electrons are negatively charged

2.  Electrons are universal constituents of matter

3.  Electrons are lightest of all particles

4.  Mass of the electron is 1/1838 of the mass of H-atom

4
Correct Answer :

Electrons are universal constituents of matter


Explanation :
No Explanation available for this question

1.  The energy of the electron is quantised

2.  The angular momentum of the electron is quantised

3.  The radial distance of the electron is quantised

4.  The orbital velocity of the electron is quantised

4
Correct Answer :

The angular momentum of the electron is quantised


Explanation :
No Explanation available for this question

1.  t-butyl amine

2.  Methyl, ethyl amine

3.  Dimethyl secondary butyl amine

4.  N-methyl aniline

4
Correct Answer :

Dimethyl secondary butyl amine


Explanation :
No Explanation available for this question

1.  3pi and 9 sigma bonds

2.  6pi and 12 sigma bonds

3.  6pi and 6 sigma bonds

4.  3pi and 12 sigma bonds

4
Correct Answer :

3pi and 12 sigma bonds


Explanation :
No Explanation available for this question

1.  Mono bromo aniline

2.  Dibromo aniline

3.  Sym tribromo aniline

4.  Tetrabromo aniline

4
Correct Answer :

Sym tribromo aniline


Explanation :
No Explanation available for this question

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