P – Block

The chemical name of borax is-

Which of the following is Tribasic ?

Thermodynamically which allotropl of phosphorus is found in excess?

Ammonia can be dried by

H₃PO₃ is-

The main source of helium is-

Monoatomic gas is-

The decreasing order of acidic strengths of HOCI, HOBr and HOI is

The oxidation number of S in H₂S₂O₈ is-

The outermost electronic configuration of noble gas elements is-

The correct order of strength of acid is-

The basicity of H₃PO₂, H₃PO₃ and H₃PO₄ are respectively-

H₂SO₄  is an-

Which one of the following is least basic ?

Which one of the following is the strongest Lewis acid?

The shape of XeF₄ is-

Which one of the following does not form hydrogen bonding?

Which of the following has highest I.P.-

Which of the following is strongest oxidising agent-

The number of P-O-P bonds in cyclic metaphospheric acid is-

Partial hydrolysis of XeF₄ gives-

The correct order of thermal stability of hydrogen halides (H-X)-

Which among the following is not correct as per the facts given-

Which among the following has the strongest bond?

The oxidation number of oxygen in H₂O₂ is-

Oleum is-

Chlorine reacts with excess of ammonia and forms-

The hybridization of nitrogen in is R₂-N is -

Similarity between NH₃ and PH₃ is-

Which among the following phosphorus is the most stable?