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Chemistry · p-Block Elements (Group 15-18)

JEE Main 2026 — 8 April, Evening Shift — Question 50

Find the correct statements related to group 15 hydrides. A. Reducing nature increases from NH3\mathrm{NH}_{3} to BiH3\mathrm{BiH}_{3} B. Tendency to donate lone pair of electrons decreases from NH3\mathrm{NH}_{3} to BiH3\mathrm{BiH}_{3} C. The stability of hydrides decreases from NH3\mathrm{NH}_{3} to BiH3\mathrm{BiH}_{3} D. HEH bond angle decreases from NH3\mathrm{NH}_{3} to SbH3\mathrm{SbH}_{3} ( E=\mathrm{E}= Elements of group 15) Choose the correct answer from the options given below :

  1. Option A:

    A and B only

  2. Option B:

    B and C only

  3. Option C:

    A, B, C and D

    Correct
  4. Option D:

    A, C and D only

Answer: C

Step-by-step solution

Reducing nature : NH3<PH3<AsH3<SbH3<BiH3\mathrm{NH}_{3}<\mathrm{PH}_{3}<\mathrm{AsH}_{3}<\mathrm{SbH}_{3}<\mathrm{BiH}_{3} Lone pair definition tendency :

NH3>PH3>AsH3>SbH3>BiH3\mathrm{NH}_{3}>\mathrm{PH}_{3}>\mathrm{AsH}_{3}>\mathrm{SbH}_{3}>\mathrm{BiH}_{3}

Stability of Hydrides :

NH3>PH3>AsH3>SbH3>BiH3\mathrm{NH}_{3}>\mathrm{PH}_{3}>\mathrm{AsH}_{3}>\mathrm{SbH}_{3}>\mathrm{BiH}_{3}

HEH bond angle : NH3>PH3>AsH3>SbH3>BiH3\mathrm{NH}_{3}>\mathrm{PH}_{3}>\mathrm{AsH}_{3}>\mathrm{SbH}_{3}>\mathrm{BiH}_{3}

Answer key and solution verified before publishing.

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Exam
JEE Main 2026
Paper
8 April, Evening Shift
Subject
Chemistry
Chapter
p-Block Elements (Group 15-18)
Topic
Introduction & Properties of Group 15: Nitrogen Family

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