1.  K2SO4

2.  K2HCO3

3.  K2CO3

4.  KOH

4
Correct Answer :

K<sub>2</sub>CO<sub>3 </sub>


Explanation :
No Explanation available for this question

1.  The radius (R) of a nuclide of mass number A is given by the equation R = R0 (A)1/2 (R0 = constant)

2.  7N15 and 8O16 are isobars

3.  The end nuclide formed in thorium (4n) series is 20Bi40

4.  20Ca40 has magic number of protons and magic number of neutrons

4
Correct Answer :

<sub>20</sub>Ca<sup>40</sup> has magic number of protons and magic number of neutrons


Explanation :
No Explanation available for this question

1.  3,1

2.  3,2

3.  1,1

4.  2,3

4
Correct Answer :

3,1


Explanation :
No Explanation available for this question

1.  Mg2+, C4-

2.  N3-, O2-

3.  N2- , O2-

4.  F-, Al3+

4
Correct Answer :

N<sup>2-</sup> , O<sup>2-</sup>


Explanation :
No Explanation available for this question

1.  HgSO4 / aqueous H2SO4

2.  HgSO4 / CH3COOH

3.  KMnO4 / KOH, 250C

4.  Cr2O3 / H2SO4

4
Correct Answer :

KMnO<sub>4</sub> / KOH, 25<sup>0</sup>C


Explanation :
No Explanation available for this question

1.  2-methyl - 2 - propanol

2.  1 - propanol

3.  1 - Butanol

4.  2 - pentanol

4
Correct Answer :

2 - pentanol


Explanation :
No Explanation available for this question

1.  n = 4,l =1, m = +1,s = +1/2

2.  n = 4,l =1, m = 0,s = +1/2

3.  n = 4,l =1, m = 2,s = +1/2

4.  n = 4,l =1, m = -1,s = -1/2

4
Correct Answer :

n = 4,l =1, m = 2,s = +1/2


Explanation :
No Explanation available for this question

1.  R=R0A1/2

2.  R=R0A

3.  R=R0A2

4.  R=R0A1/3

4
Correct Answer :

R=R<sub>0</sub>A<sup>1/3</sup>


Explanation :
No Explanation available for this question

1.  Li

2.  Mg+

3.  Al+

4.  Ne

4
Correct Answer :

Li


Explanation :
No Explanation available for this question

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