Hydrogen

In which of the following reactions, hydrogen peroxide acts as an oxidizing agent ?

Which of the following can be used to prevent the decomposition of $\mathrm{H}_{2} \mathrm{O}_{2}$ ?

The products obtained during treatment of hard water using Clark's method are :

Given below are two statements : Statement I : Permutit process is more efficient compared to the synthetic resin method for the softening of water. Statement II : Synthetic resin method results in the formation of soluble sodium salts. In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} LIST I Type of Hydride LIST II Example A. Electron deficient hydride I. $\mathrm{MgH_2}$ B. Electron rich hydride II. $\mathrm{HF}$ C. Electron precise hydride III. $\mathrm{B_2H_6}$ D. Saline hydride IV. $\mathrm{CH_4}$ Choose the correct answer from the options given below:

The metal salts formed during softening of hardwater using Clark's method are :

NaH is an example of :

The correct statements among (a) to (d) are : (a) saline hydrides produce H₂ gas when reacted with H₂O. (b) reaction of LiAlH₄ with BF₃ leads to B₂H₆. (c) PH₃ and CH₄ are electron - rich and electron - precise hydrides, respectively. (d) HF and CH₄ are called as molecular

If the boiling point of H₂O is 373 K, the boiling point of H₂S will be :

Dihydrogen of high purity (> 99.95%) is obtained through :

Which one of the following process will produce hard water?

The temporary hardness of water is due to :

100 mL of a water sample contains 0.81 g of calcium bicrabonate and 0.73 g of magnesium bicarbonate. The hardness of this water sample expressed in terms of equivalents of CaCO₃ is : (Molar mass of calcium bicarbonate is 162 g mol^–1 and magnesium bicarbonate is 146 g mol^–1)

The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively, are :

In comparison to the zeolite process for the removal of permanent hardness, the synthetic resins method is :

Amongst the following, the form of water with the lowest ionic conductance at 298 K is :

The one that is NOT suitable for the removal of permanent hardness of water is :

The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are :

Which one of the following methods is most suitable for preparing deionized water?