The p -Block Elements

A white precipitate was formed when BaCl₂ was added to water extract of an inorganic salt. Further, a gas 'X' with characteristic odour was released when the formed white precipitate was dissolved in dilute HCl. The anion present in the inorganic salt is

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

Which of the following sets of quantum numbers is not allowed?

Given below are the oxides :

Na₂O, As₂O₃, N₂O, NO and Cl₂O₇

Number of amphoteric oxides is :

In a compound AOH, electronegativity of ' A' is 2.1, the compound would be

Nitric oxide is formed in the combustion of fuel. An internal combustion engine produces 600 ppm (600 mg L^-1) of NO was oxidized to NO₂. The NO₂ formed was dissolved in 10L of water. The pH of the resulting solution is

(log 2 = 0.30, log 3 = 0.48)

If Q is a colourless gas with rotten fish smell then select CORRECT statement.

Out of the following oxides of nitrogen how many of them are neutral oxides?

N₂O, NO, N₂O₃ , NO₂ , N₂O₄ , N₂O₅

What is the formula and method of preparation of Hypophosphoric oxyacid?

200ml of 0.5M solution of CuBr₂ was electrolysed using Pt as electrodes with a current of 0.965 ampere in one hour, what is the normality of the remaining CuBr₂ solution assuming no change in volume?