MCQ
Correct statements among the following is/are
- A$2^{nd}$ electron gain enthalpy is always endothermic
- ✓Electronegativity is the property of bonding atoms
- C$Al_2O_3$ and $BeO$ are amphoteric oxide
- DNone of these are incorrect
✓
Answer
Correct option: B.
Electronegativity is the property of bonding atoms
b
From left to right in periodic table :-
From left to right in periodic table :-
Metallic character decreases
Non-metallic character increases
$\Rightarrow$ It is due to increase in ionization enthalpy and increase in electron gain enthalpy.
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
Cuprous ion is colourless while cupric ion is coloured because
Which of the following statements is incorrect regarding benzyl chloride
Mutation of $DNA$ occurs due to changes in the sequence of one of the following
→Select the true statement about benzene from amongst the following
Bombardment of aluminum by $\alpha$-particle leads to its artificial disintegration in two ways, $(i)$ and $(ii)$ as shown. Products ${X},$ ${Y}$ and ${Z}$ respectively are,
→Consider the following sequence of reactions
→The end product $(C)$ is
The $IUPAC$ name of compound
→$\begin{array}{*{20}{c}}
{{H_3}COOC - CH - COOC{H_3}} \\
{|\,\,} \\
{\,\,\,\,\,\,C{H_2}OH}
\end{array}$
The species in which the central atom uses $s{p^2}$ hybrid orbitals in its bonding is
→In polysaccharides the linkage connecting monosaccharide units is called
Sodium hydroxide solution reacts with phosphorus to give phosphine. To bring about this reaction, we need