p -Block Elements 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 p -Block Elements with explanations for effective preparation. Practice of BITSAT Chemistry PYQs including p -Block Elements questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.
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BITSAT PYQs for p -Block Elements with Solutions
1.
Correct formula of the complex formed in the brown ring test for nitrates is- $FeSO _{4} NO$
- $\left[ Fe \left( H _{2} O \right)_{5} NO \right]^{2+}$
- $\left[ Fe \left( H _{2} O \right)_{5} NO \right]^{+}$
- $\left[ Fe \left( H _{2} O \right)_{5} NO \right]^{3+}$
2.
Match the following. The correct answer is- (A) $\to$ (IV) ,(B) $\to$ (V) ,(C) $\to$ (II) ,(D) $\to$ (I)
- (A) $\to$ (IV) ,(B) $\to$ (V) ,(C) $\to$ (I) ,(D) $\to$ (II)
- (A) $\to$ (IV) ,(B) $\to$ (I) ,(C) $\to$ (III) ,(D) $\to$ (II)
- (A) $\to$ (II) ,(B) $\to$ (V) ,(C) $\to$ (IV) ,(D) $\to$ (I)
3.
Laughing gas is- nitrogen pentoxide
- nitrous oxide
- nitrogen trioxide
- nitric oxide
4.
Based on data provided, the value of electron gain enthalpy of fluorine would be :- $- 300 \, kJ \, mol^{-1}$
- $- 350 \, kJ \, mol^{-1}$
- $- 328 \, kJ \, mol^{-1}$
- $- 228 \, kJ \, mol^{-1}$
5.
$N_2$ and $O_2$ are converted into mono anions, $N_2^{-}$ and $O_2^{-}$ respectively. Which of the following statements is wrong ?- In $N_2$, the N?N bond weakens
- In $O_2$, the O?O bond order increases
- In $O_2$, bond length decreases
- $N_2^{-}$ becomes diamagnetic
6.
Dinitrogen pentoxide $(N_2O_5)$, a colourless solid, is prepared by :- heating $NH_4NO_2$ with an excess of oxygen
- dehydrating $HNO_3$ with $CaO$
- dehydrating $HNO_3$ with $P_4O_{10}$
- heating a mixture of $HNO_2$ and $Ca(NO_3)_2$
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