Question
Which of the following statements is correct
✓
Answer
a
(a)${X^ - }$ ion larger in size than $X$ atoms. Because of low effective nuclear charge on ${X^ - }$ has a bigger size.
(a)${X^ - }$ ion larger in size than $X$ atoms. Because of low effective nuclear charge on ${X^ - }$ has a bigger size.
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
Calculate the half life of the first-order reaction
→$C_2H_4O(g) \longrightarrow CH_4(g) + CO(g)$ If the initial pressure of $C_2H_4O(g)$ is $80\, mm$ and total pressure at the end of $20\, minutes$ is $120\, mm$ ............ $\min$
The rate constant of a reaction at temperature $ 200\,K$ is $10$ times less than the rate constant at $400\,K.$ What is the activation energy $({E_a})$ of the reaction ($R =$ gas constant)
→The number of bent-shaped molecule/s from the following is $.....$. $N _3^{-}, NO _2^{-}, I _3^{-}, O _3, SO _2$
→Which of the following is incorrect
At constant volume, $4\; mol$ of an ideal gas when heated from $300\; \mathrm{K}$ to $500\; \mathrm{K}$ changes its internal energy by $5000\; \mathrm{J}$. The molar heat capacity at constant volume is ............... $\mathrm{J\,mol}^{-1} \, \mathrm{K}^{-1}$
→The $IUPAC$ name for $C{H_3}CO - C{H_3}$ is
→The specific conductance of a $0.1\,\,N \,KCl$ solution at ${23\,^o}C$ is $0.012\,\,oh{m^{ - 1\,}}\,c{m^{ - 1}}$. The resistance of cell containing the solution at the same temperature was found to be $55\,ohm$. The cell constant will be .............. $\mathrm{cm}^{-1}$
→The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds
$A$ and $B$ formed in the following reactions are:$\mathrm{CrO}_2 \mathrm{Cl}_2+4 \mathrm{NaOH} \rightarrow \mathrm{A}+2 \mathrm{NaCl}+2 \mathrm{H}_2 \mathrm{O} \mathrm{A}+2 \mathrm{HCl}+2 \mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{B}+3 \mathrm{H}_2 \mathrm{O}$
→Initial $EMF$ of above cell at $298$ $K$ is .............. $\mathrm{V}$
→