Boron cannot form which one of the following anions?
(1) BO2-
(2) BF63-
(3) BH4-
(4) B(OH)4-
Due to absence of low lying vacant d orbital in B, sp3d2hybridization is not possible hence BF63-will not formed.
Which of the below options is called a laughing gas?
View Answer Report Error Discuss
If the first and third members of a Dobereiner triad are Phosphorous and Antimony, the second member of this triad is
Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?
How many atoms will one mole of Carbon (C-12) contain?
The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.
Which of the following is used for disinfecting drinking water?
Two or more elements combine to form a
Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?