Fill in the blanks:
$(1)$ Only $..........$ element of group $-6$ forms hydride.
$(2)$ $..........$ is used as a moderator in nuclear reactors.
$(3)$ The three-dimensional arrangement in ice occurs due to $..........$ bonding.
$(4)$ $..........$ method is used to obtain $H_2O_2$ from $2-$ethylanthraquinol.
$(1)$ Only $..........$ element of group $-6$ forms hydride.
$(2)$ $..........$ is used as a moderator in nuclear reactors.
$(3)$ The three-dimensional arrangement in ice occurs due to $..........$ bonding.
$(4)$ $..........$ method is used to obtain $H_2O_2$ from $2-$ethylanthraquinol.
(A) $(i)$ $Cr$
$(ii)$ $D_2O$ (Heavy water)
$(iii)$ Hydrogen
$(iv)$ Auto-oxidation
$(ii)$ $D_2O$ (Heavy water)
$(iii)$ Hydrogen
$(iv)$ Auto-oxidation
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Similar Questions
In which of the following reactions,hydrogen is liberated?
$(i)$ $Al_{(s)} + HCl_{(aq)} \rightarrow$
$(ii)$ $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$(iii)$ $NaBH_4 + I_2 \rightarrow$
$(i)$ $Al_{(s)} + HCl_{(aq)} \rightarrow$
$(ii)$ $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$(iii)$ $NaBH_4 + I_2 \rightarrow$
Sodium oxalate on heating with conc. $H_2SO_4$ gives
Medium
View SolutionMatch the correct option from Column $-A$ and Column $-B.$
Column $-A$ Column $-B$ $(1).$ $H_2O_2$ $(p).$ As moderator $(2).$ $D_2O$ $(q).$ As fuel $(3).$ Liquid $H_2$ $(r).$ For to make hard water soft $(4).$ Zeolite $(s).$ As disinfectant
| Column $-A$ | Column $-B$ |
| $(1).$ $H_2O_2$ | $(p).$ As moderator |
| $(2).$ $D_2O$ | $(q).$ As fuel |
| $(3).$ Liquid $H_2$ | $(r).$ For to make hard water soft |
| $(4).$ Zeolite | $(s).$ As disinfectant |
Medium
View SolutionMatch Column-$I$ with Column-$II$ for the given properties/applications mentioned therein.
Column-$I$ Column-$II$ $A$. $H$ $1$. Used in the name of perhydrol. $B$. $H_2$ $2$. Can be reduced to dihydrogen by $NaH$. $C$. $H_2O$ $3$. Can be used in hydroformylation of olefin. $D$. $H_2O_2$ $4$. Can be used in cutting and welding.
| Column-$I$ | Column-$II$ |
| $A$. $H$ | $1$. Used in the name of perhydrol. |
| $B$. $H_2$ | $2$. Can be reduced to dihydrogen by $NaH$. |
| $C$. $H_2O$ | $3$. Can be used in hydroformylation of olefin. |
| $D$. $H_2O_2$ | $4$. Can be used in cutting and welding. |
Medium
View SolutionCorrect order of boiling point $(BP)$ is:
Medium
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