MCQ
Ionization energy is highest for
- ✓Noble gases
- BPlatinum metals
- CTransition elements
- DInner–transition elements
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$A.$Reaction is spontaneous at $(a)$ and $(b)$
$B.$Reaction is at equilibrium at point $(b)$ and nonspontaneous at point $(c)$
$C.$Reaction is spontaneous at $(a)$ and nonspontaneous at $(c)$
$D.$Reaction is non-spontaneous at $(a)$ and $(b)$
The amount of energy required to split the double strand $DNA$ into two single strands is . . . .kcal $mol ^{-1}$.
[Given: Average energy per $H$-bond for $A - T$ base pair $=1.0 kcal mol ^{-1}, G - C$ base pair $=1.5 kcal mol ^{-1}$, and $A - U$ base pair $=1.25 kcal mol ^{-1}$. Ignore electrostatic repulsion between the phosphate groups.]