1.  2

2.  4

3.  1

4.  8

4
Correct Answer :

2


Explanation :
No Explanation available for this question

1.  NaCl

2.  Na2CO3

3.  NaCN

4.  Na2SO4

4
Correct Answer :

NaCN


Explanation :
No Explanation available for this question

1.  C2H5, C2H5OH

2.  C2H4, C2H5SH

3.  C2H5OSO3H, C2H5OH

4.  C2H2,CH3CHO

4
Correct Answer :

C<sub>2</sub>H<sub>5</sub>OSO<sub>3</sub>H, C<sub>2</sub>H<sub>5</sub>OH


Explanation :
No Explanation available for this question

1.  +2

2.  +4

3.  +6

4.  0

4
Correct Answer :

+6


Explanation :
No Explanation available for this question

1.  sp3

2.  sp

3.  sp2

4.  sp3d

4
Correct Answer :

sp<sup>3</sup>


Explanation :
No Explanation available for this question

1.  Cu and Fe

2.  Cu, Sn and Zn

3.  Ni, Fe and Cr

4.  Al and Mg

4
Correct Answer :

Cu, Sn and Zn


Explanation :
No Explanation available for this question

1.  K

2.  Ti

3.  Na

4.  Sc

4
Correct Answer :

K


Explanation :
No Explanation available for this question

1.  Cr

2.  Fe

3.  V

4.  Ti

4
Correct Answer :

Cr


Explanation :
No Explanation available for this question

1.  2.5

2.  1.5

3.  2

4.  1

4
Correct Answer :

2


Explanation :
No Explanation available for this question

1.  Sc3+

2.  Ni2+

3.  Ti4+

4.  Zn2+

4
Correct Answer :

Ni<sup>2+</sup>


Explanation :
No Explanation available for this question

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