When copper turnings and concentrated $HCl$ are heated with copper sulphate,the compound formed is:
- ACupric chloride
- BCuprous chloride
- CCopper sulphate
- D$SO_2$
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Fill in the blanks:
$(a)$ The unit of magnetic moment is ......... .
$(b)$ $Mn^{2+}$ has .......... color.
$(c)$ $Fe_3H$ is a ............. type of compound.
$(a)$ The unit of magnetic moment is ......... .
$(b)$ $Mn^{2+}$ has .......... color.
$(c)$ $Fe_3H$ is a ............. type of compound.
Difficult
View SolutionWrite a note on oxides and oxoanions of transition elements.
Difficult
View SolutionIn the reaction $4K_2Cr_2O_7 \xrightarrow{\text{heat}} 4K_2CrO_4 + 3O_2 + X$,identify $X$.
Easy
View SolutionMatch Column $A$ with Column $B$:
Column $A$ Column $B$ $(1) \ NiCl_2 \cdot 6H_2O$ $(a) \ \text{Pink}$ $(2) \ Co(NO_3)_2 \cdot 6H_2O$ $(b) \ \text{Colorless}$ $(3) \ FeCl_3$ $(c) \ \text{Blue}$ $(4) \ CuSO_4 \cdot 5H_2O$ $(d) \ \text{Green}$ $(e) \ \text{Yellow}$
| Column $A$ | Column $B$ |
|---|---|
| $(1) \ NiCl_2 \cdot 6H_2O$ | $(a) \ \text{Pink}$ |
| $(2) \ Co(NO_3)_2 \cdot 6H_2O$ | $(b) \ \text{Colorless}$ |
| $(3) \ FeCl_3$ | $(c) \ \text{Blue}$ |
| $(4) \ CuSO_4 \cdot 5H_2O$ | $(d) \ \text{Green}$ |
| $(e) \ \text{Yellow}$ |
Easy
View SolutionWhich from the following is the general formula of the compound obtained when lanthanoid $(Ln)$ reacts with carbon at elevated temperature?
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