MCQ
Highest $(+7) $ oxidation state is shown by
- A$Co$
- B$Cr$
- C$V$
- ✓$Mn$
✓
Answer
Correct option: D.
$Mn$
d
$Mn$ shows a highest oxidation state of $+7$.
$Mn$ shows a highest oxidation state of $+7$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Match List$-I$ with List$-II :$
→| List$-I$ | List$-II$ |
| $(a)$ $\mathrm{NaOH}$ | $(i)$ Acidic |
| $(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ | $(ii)$ Basic |
| $(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$ |
$(iii)$ Amphoteric |
| $(d)$ $\mathrm{B}(\mathrm{OH})_{3}$ | |
| $(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$ |
Choose the most appropriate answer from the option given below :
On reaction of $38.1\, g$ iodine and $28.4\, g$ chlorine, mixture of $ICl$ and $ICl_3$ is obtained then total number of moles after reaction will be
→The hydrolysis of ethyl acetate is a reaction of ......... order
→$C{{H}_{3}}COOEt+{{H}_{2}}O\xrightarrow{{{H}^{+}}}C{{H}_{3}}COOH+EtOH$
$SnC{l_2}$ gives a precipitate with a solution of $HgC{l_2}.$ In this process $HgC{l_2}$ is
→A $5\%$ solution of canesugar (mol. wt. $ =342$) is isotonic with $1\%$ solution of a substance $X$. The molecular weight of $X$ is
→Above conversion can be achieved by
Which combination is best explained by the co-ordinate covalent bond
Benzoic acid reacts with $SOCl_2$ to give :-
→Calculate the partial pressure of carbon monoxide from the following data
→$CaC{O_3}\left( s \right)\overset \Delta \longleftrightarrow CaO\left( s \right) + C{O_2} \uparrow ,{K_p} = 8 \times {10^{ - 2}}$
$C{O_2}\left( g \right) + C\left( s \right) \rightleftharpoons 2CO\left( g \right),{K_p} = 2$
A $4$ ampere is passed through a solution of zinc sulphate for $50\, minutes$. Find the amount of zinc deposited at the cathode ............. $\mathrm{g}$
→