Classification of Elements and Periodicity in Properties is an important topic in the Chemistry section in BITSAT exam. Practising this topic will increase your score overall and make your conceptual grip on BITSAT exam stronger.
This article gives you a full set of BITSAT PYQs for Classification of Elements and Periodicity in Properties with explanations for effective preparation. Practice of BITSAT Chemistry PYQs including Classification of Elements and Periodicity in Properties questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.
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BITSAT PYQs for Classification of Elements and Periodicity in Properties with Solutions
1.
OF and F\(_2\) can be compared in terms of:- OF is paramagnetic while F\(_2\) is diamagnetic
- OF is more stable towards dissociation into atoms
- Both (a) and (b) are correct
- None of the above is correct
2.
Which of the following elements has the highest electronegativity?- Sodium
- Fluorine
- Oxygen
- Chlorine
3.
Chloride ion and potassium ion are isoelectronic. Then :- Their sizes are same
- $Cl ^{-}$ions is bigger than $K ^{+}$ion
- $K ^{+}$ion is relatively bigger
- Their sizes depend on other cation and anion
4.
Match List I with List II.
- A-II, B-I, C-IV, D-III
- A-II, B-IV, C-I, D-III
- A-II, B-III, C-I, D-IV
- A-I, B-II, C-IV, D-III
5.
Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect ?- Be forms beryllates and Al forms aluminates
- $Be(OH)_2$ like $Al(OH)_3$ is basic
- Be like Al is rendered passive by $HNO_3$.
- $Be_2C$ like $Al_4C_3$ yields methane on hydrolysis.
6.
In which of the following reactions of H$_2$O$_2$ acts as an oxidizing agent (either in acidic, alkaline, or neutral medium)?
(i) \( 2Fe^{2+} + H_2O_2 \rightarrow \)
(ii) \( 2MnO_4^- + 6H^+ + 5H_2O_2 \rightarrow \)
(iii) \( I_2 + H_2O_2 + 2OH^- \rightarrow \)
(iv) \( Mn^{2+} + H_2O_2 \rightarrow \)
- (ii), (iii)
- (i), (iv)
- (i), (iii)
- (ii), (iv)
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