Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: NET JUNE 2019 · Marks: 2 · Difficulty: Easy
The correct statements regarding Boron among the following (1) Nuclear spin of ${ }^{11} \mathrm{B}$ is greater than that of ${ }^{10} \mathrm{B}$ (II) The polarities of B-H bond and C-H bonds are opposite (III) Cross-section of neutron absorption for ${ }^{10} \mathrm{B}$ is much more than that of ${ }^{11} \mathrm{B}$ (IV) B reacts with boiling aq. NaOH solution to form $\mathrm{NaB}(\mathrm{OH})_{4}$