MCQ
Which of the following is the most electropositive element
- AAluminium
- ✓Magnesium
- CPhosphorus
- DSulphur
✓
Answer
Correct option: B.
Magnesium
b
(b) Electropositive character decreases across the period as metallic character decreases.
(b) Electropositive character decreases across the period as metallic character decreases.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$2-$Methyl propyl bromide reacts with $C _2 H _5 O ^{-}$and gives ' $A$ ' whereas on reaction with $C _2 H _5 OH$ it gives ' $B$ '. The mechanism followed in these reactions and the products 'A' and ' $B$ ' respectively are:
→$\Delta U$ is equal to
→Phthalimide is made to undergo following sequence of reactions.
→(Image)
Total number of $\pi$ bonds present in product ' $P$ ' is/are
Identify $'Z'$ in the following reaction series $C{H_3}C{H_2}C{H_2}Br \xrightarrow{{NaOH(aq.)}} (X) \xrightarrow[{Heat}]{{A{l_2}{O_3}}} (Y) \xrightarrow{{HOCl}} (Z)$
→No. of structrual isomer of $C_4H_{11}N$
→Above reaction is known as
The ionization potentials of $Li$ and $K$ are $5.4$ and $4.3\, eV$ respectively. The ionization potential of $Na$ will be .............. $\mathrm{eV}$
→The differential rate law for the reaction ${H_2} + {I_2} \to 2HI$ is
→Which element has the lowest electronegativity
Which of the following compounds does not undergo nucleophilic substitution reactions