Quantitative Analysis

Yes, Venn diagrams are very important for the CAT exam, especially for DILR and Set Theory in Quant. It helps solve overlapping data sets, and save time in exam.

Some of the important topics for the Quantitative Analysis section include

• Arithmetic
• Basic Statistics
• Data Analysis and Interpretation

Besides above topics, various other related mathematical concepts that were taught at the graduation level are important for PGCET exam.

CuSO₄ acts as catalyst in Kjeldahl's method of estimation of nitrogen.

  $N{H}_4^{+}$  does not have vacant orbitals, therefore it cannot behave as electrophile.

Percentage Br =   $\frac{80*0.094}{188*0.16}*100=25\mathrm{\%}$

Number of moles of C = Number of moles of CO₂ = $\frac{330}{44}$ moles

Number of moles of H = 2 * no. of moles of H₂O = $\left(\frac{270}{18}*2\right)$ moles

 Mass of C = $\frac{330}{44}*12$ gm = 90 gm

 Mass of H = $\frac{270}{18}*2*1gm=30gm$

$\begin{array}{l}\mathrm{\%}ofC=\frac{90}{120}*100\mathrm{\%}=75\mathrm{\%}\\ \mathrm{\%}ofH=\frac{30}{120}*100\mathrm{\%}=25\mathrm{\%}\end{array}$