Class 11

2. Structure of atom question bank (Chemistry)

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Q1.

Match the following pairs with the correct nuclear relationship:

 List-IList-II 
(i)\(_{26}^{54}Fe, _{26}^{56}Fe, _{26}^{57}Fe, _{26}^{58}Fe\) (a)Isotope  
(ii)\(_{1}^{3}H, _{2}^{3}He\) (b)Isotone  
(iii) \(_{32}^{76}Ge, _{33}^{77}As\)  (c)Isodiapher

(iv)

(v)

\(_{92}^{235}U, _{90}^{231}Th\) 

 \(_{1}^{1}H, _{1}^{2}D, _{1}^{3}T\)

(d)Isobar

Options:  

(A)
(i)–a, (ii)–d, (iii)–b, (iv)–c, (v)–a
(B)
(i)–a, (ii)–d, (iii)–d, (iv)–c, (v)–a
(C)
(v)–a, (iv)–c, (iii)–d, (ii)–b, (i)–a
(D)
None of them
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Q2.

Select the isoelectronic set:  
(a) Na⁺, H₃O⁺, NH₄⁺  
(b) CO₃²â», NO₃⁻, HCO₃⁻  
(c) P³â», HCl, Câ‚‚H₆, PH₃  
(d) N³â», O²â», F  

Options:  

(A)
a, b, d
(B)
b, c, d
(C)
a, b, c, d
(D)
a, b, c
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