MCQ
In which compound chromium has $ + \,6$ oxidation state
- ✓${K_2}C{r_2}{O_7}$
- B$CrC{l_3}$
- C$Cr\,{(S{O_4})_3}$
- DNone of these
✓
Answer
Correct option: A.
${K_2}C{r_2}{O_7}$
a
(a) In ${K_2}C{r_2}{O_7},$ $Cr$ has $+ 6$ oxidation state.
(a) In ${K_2}C{r_2}{O_7},$ $Cr$ has $+ 6$ oxidation state.
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
When a hydrogen sample in ground state is bombarded with electron then what potential is required to accelerate electron so that first Bracket line is emitted ............ $\mathrm{eV}$
→How many stereoisomeric pentabrornides will be formed in the following reaction ?
On heating glucose with Fehling's solution we get a precipitate whose colour is
The unit of rate constant for a zero order reaction is
Which one is weakest base
What is the major product of the following reaction ?
What bond order does $O_2^{2 - }$ have
→Match List $I$ with List $II$
→| List $I$ $(Bio polymer)$ | List $II$ $(Monomer)$ |
| $A$ Starch | $I$ nucleotide |
| $B$ Cellulose | $II$ $\alpha$-glucose |
| $C$ Nucleic acid | $III$ $\beta$-glucose |
| $D$ Protein | $IV$ $\alpha$-amino acid |
Choose the correct answer from the options given below:
'$A$' and ' $B$ ' formed in the following set of reactions are :
→Which of the following would have a permanent dipole moment