MCQ
Elements having similar outer shell electronic configuration in their atoms are arranged in:
- AGroups.
- BVertical columns.
- CFamilies.
- DAll of these.
✓
Answer
- All of these.
Explanation:
Similar outer configuration in their atoms are arranged in vertical columns called groups or families.
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{C{H_3} - CH - C - O - C{H_3} + 2C{H_3}MgBr\, \to \,A} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
→{C{H_3} - CH - C - O - C{H_3} + 2C{H_3}MgBr\, \to \,A} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
$\xrightarrow[\Delta ]{{{H^ \oplus }}}\,B$
The product $"B"$ is