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← JEE Main 2026 · 5 Apr · Shift 2
ChemistrySingle correct+4 / -1Question 59 of 75

JEE Main 2026 · 5 Apr · Shift 2, Chemistry question 59

Given below are two statements :

Statement I: Aluminium upon reaction with NaOH forms [Al(OH)X6]X3−\ce{[Al(OH)6]^3-} ion.

Statement II: The geometry of IClX4X−\ce{ICl4-}, ClOX3X−\ce{ClO3-} and IBrX2X−\ce{IBr2-} is square planar, pyramidal and linear respectively.

In the light of the above statements, choose the correct answer from the options given below :

Choose one option
Answer and worked solution

Official answer: D

Statement I. Aluminium with NaOH gives sodium tetrahydroxoaluminate, Na[Al(OH)X4]\ce{Na[Al(OH)4]} (and HX2\ce{H2}), not [Al(OH)X6]X3−\ce{[Al(OH)6]^3-}. False.

Statement II. By VSEPR:

  • IClX4X−\ce{ICl4-} has 4 bond pairs and 2 lone pairs: square planar.
  • ClOX3X−\ce{ClO3-} has 3 bond pairs and 1 lone pair: pyramidal.
  • IBrX2X−\ce{IBr2-} has 2 bond pairs and 3 lone pairs: linear.

True.

(D)