MCQ
Which statement is not true concerning alkanes
- ✓Large number alkanes are soluble in water
- BAll alkanes have a lower density than water
- CAt room temperature some alkanes are liquids, some solids and some gases
- DAll alkanes burn
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$(A)\,\,NH_4OH + NH_4Cl$ $(B)\,\,HCl + NaCl$
$(C)\,\,NH_4OH + HCl$ in $2 : 1\,mole$ ratio
Select the correct answer using the code given below
$N_2(g) + 3H_2(g) \to 2NH_3(g$) is
$-92.38\, KJ$ at $298\, K$. The internal energy change $\left( {\Delta U} \right)$ at $298\, K$ is ........$KJ$
$A$. $\mathrm{Ar}$ $B$. $\mathrm{Br}$ $C. F$ $D$. $\mathrm{S}$
Choose the most appropriate from the options given below:
Product $Z$ is