MCQ
Molar solution means $1\,mole$ of solute present in
- A$1000\,g $ of solvent
- B$1\,litre$ of solvent
- ✓$1\,litre$ of solution
- D$1000\,g $ of solution
$\therefore$ Molar solution means $1\, mole$ of solute is present in $1\, L$ of solution
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Assertion $(A)$ : The first ionization enthalpy of $3 d$ series elements is more than that of group $2$ metals
Reason $(R)$ : In $3d$ series of elements successive filling of d-orbitals takes place.
In the light of the above statements, choose the correct answer from the options given below :
${\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}}{\longrightarrow} {\text { (Major product) }{ }^{\prime} \mathrm{A}^{\prime}}$
Product $A$ is :
