Hydrogen and It's Compounds

Consider the following.
Statement $\mathrm{IH}_2 \mathrm{O}_2$ acts as an oxidising as well as reducing agent in both acidic and basic mediim.
Statement $\mathrm{II} 10 \mathrm{~V} \mathrm{H}_2 \mathrm{O}_2$ sample means it contains $6 \% \...

Identify the hydride which is not correctly matched with the example given in brackets ?

Which of the following reactions give $\mathrm{H}_2$ as one of the products?
(Reactions are not balanced)
I. $\mathrm{NaBH}_4+\mathrm{I}_2 \longrightarrow$
II. $\mathrm{B}_2 \mathrm{H}_6+\mathrm{N}\left(\mathrm{CH}_3\right)_3 \rightarrow$
I...

Which of the following property is less for $\mathrm{D}_2 \mathrm{O}$ than $\mathrm{H}_2 \mathrm{O}$ ?

Which set of elements form electron precise hydrides?

The incorrect statement in the following is

Compound ' $X$ ' is prepared commercially by the electrolysis of brine solution.
Which of the following is not the use of ' $X$ '?

4 mL of ' $X$ volume' $\mathrm{H}_2 \mathrm{O}_2$ on heating gives 80 mL of oxygen at STP. The value of $X$ is

Identify the incorrect statement.

In which of the following reactions, hydrogen is oned the products?
I. $\mathrm{NaBH}_4+\mathrm{I}_2 \longrightarrow$
II. $\mathrm{BF}_3+\mathrm{NaH} \xrightarrow{450 \mathrm{~K}}$
III. $\mathrm{BF}_3+\mathrm{LiAlH}_4 \longrightarrow$
IV. $...

The major products $X$ and $Y$ respectively from the following reactions are

The method for preparation of water gas is

The hydrides of which group elements are examples of electron precise hydrides?

The correct statements among the following are
(i) saline hydrides produce $\mathrm{H}_2$ gas when reacted with water
(ii) presently $\sim 77 \%$ of the industrial dihydrogen is produced from coal
(iii) commercially marketed $\mathrm{H}_2 \...

Two statements are given below :
I. In dry cleaning, the solvent $\mathrm{Cl}_2 \mathrm{C}=\mathrm{CCl}_2$ was earlier used and now it is replaced by liquefied $\mathrm{CO}_2$
II. In bleaching of paper, $\mathrm{H}_2 \mathrm{O}_2$ was used ...

In which of the following reaction, dilhydrogen is not evolved?

The $\mathrm{O}-\mathrm{H}$ bond length in $\mathrm{H}_2 \mathrm{O}$ in gas phase is

Among the following, the correctly matched pair is

Calcium carbide \(+\mathrm{D}_2 \mathrm{O} \longrightarrow \underline{X}+\mathrm{Ca}(\mathrm{OD})_2\).
The hybridisation of carbon atom(s) in \(X\)

What are \(X\) and \(Y\) respectively in the following reactions?
$$\begin{aligned} & \underline{X}+D_2 \mathrm{O} \longrightarrow C_2 D_2+P \\ & \underline{Y}+D_2 \mathrm{O} \longrightarrow C D_4+Q \end{aligned}$$