MCQ
Which of the following transitional metal has lowest density
- ✓$Sc$
- B$Ti$
- C$V$
- D$Cr$
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${H_2}C = CHC{H_2}Br\xrightarrow{{NaCN}}Y\xrightarrow[{2.\,{H_3}{O^ + }}]{\begin{subarray}{l}
1.{C_6}{H_5}MgBr\, \\
diethylether
\end{subarray} }Z$