MCQ
Bohr’s atomic theory gave the idea of :
- AQuantum numbers
- BShape of sublevels
- CNucleus
- ✓Stationary states
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$C{H_3}COOH + PC{l_5} \to A\mathop {\xrightarrow{{{C_6}{H_6}}}}\limits_{anh.\,AlC{l_3}} $ $B\mathop {\xrightarrow{{{C_2}{H_5}MgBr}}}\limits_{ether} C$
If the oxidation number of metal in the salt was $3$, what would be the new oxidation number of metal ?
Oxygen $(61.4\%);$ Carbon $(22.9\%),$ Hydrogen $(10.0\%);$ and Nitrogen $(2.6\%).$ The weight which a $75\, kg$ person would gain if all $^1H$ atoms are replaced by $^2H$ atoms is ....... $kg$