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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When oxalic acid reacts with conc. $H_2SO_4$,two gases produced are of neutral and acidic in nature respectively. Potassium hydroxide absorbs one of the two gases. The product formed during this absorption and the gas which gets absorbed are respectively
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View SolutionMatch the following and identify the correct option. $a. CO_{(g)} + H_{2(g)}$ $i. Mg(HCO_3)_2 + Ca(HCO_3)_2$ $b. \text{Temporary hardness of water}$ $ii. \text{An electron deficient hydride}$ $c. B_2H_6$ $iii. \text{Synthesis gas}$ $d. H_2O_2$ $iv. \text{Non-planar structure}$
| $a. CO_{(g)} + H_{2(g)}$ | $i. Mg(HCO_3)_2 + Ca(HCO_3)_2$ |
| $b. \text{Temporary hardness of water}$ | $ii. \text{An electron deficient hydride}$ |
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| $d. H_2O_2$ | $iv. \text{Non-planar structure}$ |
MediumNEET 2020
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 SolutionThe order $H_2O < H_2O_2$ is correct for which of the following properties?
Difficult
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