1. K2SO4
2. K2HCO3
3. K2CO3
4. KOH
K<sub>2</sub>CO<sub>3 </sub>
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
<sub>20</sub>Ca<sup>40</sup> has magic number of protons and magic number of neutrons
1. 3,1
2. 3,2
3. 1,1
4. 2,3
3,1
1. Mg2+, C4-
2. N3-, O2-
3. N2- , O2-
4. F-, Al3+
N<sup>2-</sup> , O<sup>2-</sup>
1. HgSO4 / aqueous H2SO4
2. HgSO4 / CH3COOH
3. KMnO4 / KOH, 250C
4. Cr2O3 / H2SO4
KMnO<sub>4</sub> / KOH, 25<sup>0</sup>C
1. 2-methyl - 2 - propanol
2. 1 - propanol
3. 1 - Butanol
4. 2 - pentanol
2 - pentanol
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
n = 4,l =1, m = 2,s = +1/2
1. R=R0A1/2
2. R=R0A
3. R=R0A2
4. R=R0A1/3
R=R<sub>0</sub>A<sup>1/3</sup>
1. 1.0M
2. 10-2M
3. 10-3M
4. 10-4M
10<sup>-2</sup>M
1. Li
2. Mg+
3. Al+
4. Ne
Li