Chemistry
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New answer posted
a year agoContributor-Level 10
For n=4, l can be 0,1,2,3. m=-2 is possible for l=2,3. So 2 subshells (4d, 4f).
New answer posted
a year agoContributor-Level 9
Sol. E? cell = E? (Sn²? |Sn) - E? (Cu²? |Cu)
= -0.16 - 0.34 = -0.50V
ΔG? = -nFE? cell
= -2 * 96500 * (-0.5) = 96500 J
= 96.5 kJ = 96500 J
New answer posted
a year ago
Contributor-Level 10
Reaction (1) is SN1 (rate independent of [OH? ]). Reaction (2) is E2 (rate depends on [OH? ]).
Statement (B) is correct. Changing concentration of base will have no effect on reaction (1).
New answer posted
a year ago
Contributor-Level 9
1, 2 and 3 are according to quantum theory but (4) is statement of kinetic theory of gases
New answer posted
a year agoContributor-Level 9
Cesium has lowest ionisation enthalpy and hence it can show photoelectric effect to the maximum extent hence it is used in photo electric cell.
New question posted
a year ago
New question posted
a year ago
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