JEE Main 2020 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 8 January 2020, Shift 2, Chemistry Q49

Question 49 of 75 in this shift, Chemistry question 24 of 25, Section B.

Complexes (

\mathrm{ML_5}

) of metals Ni and Fe have ideal square pyramidal and trigonal bipyramidal geometries, respectively. The sum of the

90^\circ

120^\circ

and

180^\circ

L–M–L angles in the two complexes is _________.

Official answer

20.00 to 20.00

NTA final key (Jan 2020). Any value in the range scored.

Chapter: Coordination Compounds
Topic: VSEPR Theory
Idea tested: Trigonal Bipyramidal Positions

Same idea in other shifts

Asked 5× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.