Hydrogen

High purity (> 99.95%) dihydrogen is obtained by

Given below are two statements.

           Statement I: Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions.

           Statement II: Density of hydrogen peroxide at 298 K is lower than that of D₂O.

           In the light of the above statements, choose the correct answer from the options given below.

The highest industrial consumption of molecular hydrogen is to produce compounds of element :

Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium?

Which of the following can be used to prevent the decomposition of H₂SO₄?

Which of the following forms of hydrogen emits low energy β - particles?

Dihydrogen reacts with CuO to give

The correct order of increasing intermolecular hydrogen bond strength is

Given below are two statements: one is labeled as Assertion A and the other is labeled as Reason R.

Assertion A: Flourine forms one oxoacid.

Reason R: Flourine has smallest size amongst all halogens and is highly electronegative.

In the light of the above statements, choose the most appropriate answer from the options given below.

Assertion (A): Some metals like platinum and palladium, can be used as storage media for hydrogen.

Reason (R): Platinum and palladium can absorb large volumes of hydrogen.

(i) Statements A and R both are correct and R is the correct explanation of A.

(ii) A is correct but R is not correct.

(iii) A and R both are correct but R is not the correct explanation of A.

(iv) A and R both are false.