The metal borides that contain isolated boron atoms are: · ABC26IN0539

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Metal Carbonyls · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy

The metal borides that contain isolated boron atoms are:

(a)$\mathrm{Ti}_{4} \mathrm{B}_{4}$ and $\mathrm{V}_{3} \mathrm{B}_{4}$

(b)TiB and HfB

(c)$\mathrm{Tc}_{7} \mathrm{B}_{3}$ and $\mathrm{Re}_{7} \mathrm{B}_{3}$

(d)$\mathrm{Cr}_{5} \mathrm{B}_{3}$ and $\mathrm{V}_{3} \mathrm{B}_{2}$

Answer

Answer: C ✓ checked by 4AB · confidence medium

Explanation

Metal-rich borides M₇B₃ (Tc₇B₃, Re₇B₃) contain isolated boron atoms; MB and M₃B₄ have chains/double chains (c).

Study loop for Organometallic Compounds