MCQ
Which one has the highest percentage of nitrogen
- ✓Urea
- BAmmonium sulphate
- CAmmonium nitrate
- DCalcium nitrate
✓
Answer
Correct option: A.
Urea
a
(a) $\%$ of $N$ = $\frac{\text{Mass of }N}{\text{Mass of compound}}\times 100$= $\frac{28}{60}\times 100$ $\frac{28}{60}\times 100$
(a) $\%$ of $N$ = $\frac{\text{Mass of }N}{\text{Mass of compound}}\times 100$= $\frac{28}{60}\times 100$ $\frac{28}{60}\times 100$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following electronic configuration would be associated with the highest magnetic moment?
Which is correct statement about proton
Consider the complex $[Co(NH_3)_4 CO_3]ClO_4$ , in which coordination number, oxidation number and number of $d$-electrons on the metal are respectively.
→The propene reacts with $HBr$ to form
→Arrange the following in decreasing order of reactivity towards $EAS$ (electrophilic aromatic substitution)
→Which one of the following is always not negative
Consider following two reaction,
→$A \to {\text{Product ;}}\,\, - \frac{{d[A]}}{{dt}} = {k_1}{[A]^o}$
$B \to {\text{Product ;}}\,\, - \frac{{d[B]}}{{dt}} = {k_2}{[B]}$
Units of $k_1$ and $k_2$ are expressed in terms of molarity $(M)$ and time $(sec^{-1})$ as
The order of decreasing reactivity towards an electrophilic reagent, for the following Would be
→$(a)$ Benzene
$(b)$ Toluene
$(c)$ Chlorobenzene and
$(d)$ Phenol
Two moles of an ideal gas expand spontaneously into a vacuum. The work done is ............. $\mathrm{Joule}$
→Arrange the following compounds in order of their reactivity toward $LiAlH_4$
→