MCQ
Sugar moiety in $DNA$ and $RNA$ molecules respectively are
- A$\beta-D-2-$deoxyribose, $\beta-D-$deoxyribose
- ✓$\beta-D-2-$deoxyribose, $\beta-D-$ribose
- C$\beta-D-$ribose, $\beta-D-2-$deoxyribose
- D$\beta-D-$deoxyribose, $\beta-D-2-$deoxyribose
$RNA$ contains $\Rightarrow \beta-D-$ ribose
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$(a)$ $CO < C{O_2} < CO_3^{2 - }$ $ \Rightarrow $ Bond length
$(b)$ ${O_2} < {O_3} < O_2^{ - 2}$ $ \Rightarrow $ Bond length
$(c)$ ${N_2} < N_2^ + $ $ \Rightarrow $ Bond energy

$C{H_4}(g) + 2{O_2}(g) \to C{O_2}(g) + 2{H_ {2}}O(l);$
$\Delta H = - 890.3\,kJ$
How many grams of methane would be required to produce $445.15\, kJ$ of heat of combustion.....$g$
