Group 15 Elements is an important topic in the Chemistry section in VITEEE exam. Practising this topic will increase your score overall and make your conceptual grip on VITEEE exam stronger.
This article gives you a full set of VITEEE PYQs for Group 15 Elements with explanations for effective preparation. Practice of VITEEE Chemistry PYQs including Group 15 Elements questions regularly will improve accuracy, speed, and confidence in the VITEEE 2026 exam.
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VITEEE PYQs for Group 15 Elements with Solutions
1.
With excess of water, both $P_{2}O_{5}$ and $PCl_{5}$ give- $H_{3}PO_3 $
- $ H_{3}PO_{2}$
- $H_{3}PO_{4} $
- $H_4P_2O_7 $
2.
In case of nitrogen, $NCl_3$ is possible but not $NCl_5$ while in case of phosphorus, $PCl_3$ as well as $PCl_5$ are possible. It is due to- availability of vacant d orbitals in P but not inN
- lower electronegativity of P than N
- lower tendency of H-bond formation in P thanN
- occurrence ofP in solid while N in gaseous state at room temperature.
3.
Group 15 elements have more electron gain enthalpy than group 16-elements. The correct reason for this is- Half -filled stability of gp. 15 elements
- Poor shielding in gp. 15
- Poor shielding in gp. 16
- Half -filled stability of gp. 16 elements
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