નીચેના તત્વોને ધ્યાનમાં લો. સમૂહ. તો $A'$, $B'$, $C'$ અને $D'$ માટે યોગ્ય વિધાન શોધો ?

$A.$ પરમાણુ ત્રિજ્યાનો ક્રમ: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$B.$ ધાત્વીય લક્ષગનો ક્રમ: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$C.$ તત્વનાકદનો ક્રમ: $\mathrm{D}^{\prime}<\mathrm{C}^{\prime}<\mathrm{B}^{\prime}<\mathrm{A}^{\prime}$

$D.$ આયોનીક ત્રિજ્યાનો ક્રમ: $\mathrm{B}^{\prime+}<\mathrm{A}^{\prime}+<\mathrm{D}^{\prime}+<\mathrm{C}^{\prime}+$

Q: નીચેના તત્વોને ધ્યાનમાં લો. સમૂહ. તો $A'$, $B'$, $C'$ અને $D'$ માટે યોગ્ય વિધાન શોધો ? $A.$ પરમાણુ ત્રિજ્યાનો ક્રમ: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$ $B.$ ધાત્વીય લક્ષગનો ક્રમ: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$ $C.$ તત્વનાકદનો ક્રમ: $\mathrm{D}^{\prime}<\mathrm{C}^{\prime}<\mathrm{B}^{\prime}<\mathrm{A}^{\prime}$ $D.$ આયોનીક ત્રિજ્યાનો ક્રમ: $\mathrm{B}^{\prime+}<\mathrm{A}^{\prime}+<\mathrm{D}^{\prime}+<\mathrm{C}^{\prime}+$

b In general along the period from left to right, size decreases and metallic character decrease.In general down the group, size increases and metallic character increases. $\mathrm{B}^{\prime} \mathrm{A}^{\prime}(\text { size })$ $\mathrm{D}^{\prime} \mathrm{B}^{\prime}(\text { size })$ $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}(\text { metallic character })$ $\mathrm{D}^{\prime}<\mathrm{C}^{\prime}(\text { metallic character })$ $\mathrm{B}^{\prime+}<\mathrm{A}^{\prime+}(\text { size })$ $\mathrm{D}^{\prime+}<\mathrm{C}^{\prime+}(\text { size })$ $\therefore \mathrm{C}$ statement is incorrect.

Question

નીચેના તત્વોને ધ્યાનમાં લો. સમૂહ. તો $A'$, $B'$, $C'$ અને $D'$ માટે યોગ્ય વિધાન શોધો ?

$A.$ પરમાણુ ત્રિજ્યાનો ક્રમ: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$B.$ ધાત્વીય લક્ષગનો ક્રમ: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$C.$ તત્વનાકદનો ક્રમ: $\mathrm{D}^{\prime}<\mathrm{C}^{\prime}<\mathrm{B}^{\prime}<\mathrm{A}^{\prime}$

$D.$ આયોનીક ત્રિજ્યાનો ક્રમ: $\mathrm{B}^{\prime+}<\mathrm{A}^{\prime}+<\mathrm{D}^{\prime}+<\mathrm{C}^{\prime}+$

JEE MAIN 2024, Diffcult

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Solution

b
In general along the period from left to right, size decreases and metallic character decrease.In general down the group, size increases and metallic character increases.

$\mathrm{B}^{\prime}<\mathrm{A}^{\prime}(\text { size }) \quad \mathrm{C}^{\prime}>\mathrm{A}^{\prime}(\text { size })$

$\mathrm{D}^{\prime}<\mathrm{C}^{\prime}(\text { size }) \quad \mathrm{D}^{\prime}>\mathrm{B}^{\prime}(\text { size })$

$\mathrm{B}^{\prime}<\mathrm{A}^{\prime}(\text { metallic character })$

$\mathrm{D}^{\prime}<\mathrm{C}^{\prime}(\text { metallic character })$

$\mathrm{B}^{\prime+}<\mathrm{A}^{\prime+}(\text { size })$

$\mathrm{D}^{\prime+}<\mathrm{C}^{\prime+}(\text { size })$

$\therefore \mathrm{C}$ statement is incorrect.

Column $A$ (ion)	Column $B$ (radius)
$(i)$ $Li^+$	$(p)$ $216\, pm$
$(ii)$ $Na^+$	$(q)$ $195\, pm$
$(iii)$ $Br^-$	$(r)$ $60\, pm$
$(iv)$ $I^-$	$(s)$ $95\, pm$

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