MCQ
Identify the correct option
  • A
    $V_2O_5$ reacts with alkalies as well as acids
  • B
    In Misch metal $S, C, Ca$ and $Al$ present in traces amount with $Ce$
  • C
    $2C{u^ + }\xrightarrow{{aq.}}C{u^ + }^2 + Cu$
  • All of the above are correct

Answer

Correct option: D.
All of the above are correct
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The correct statement$(s)$ regarding, $(i)$ $HC1O$, $(ii)$ $HClO _2$, $(iii)$ $HClO _3$ and $(iv)$ $HClO _4$, is (are)

$(A)$ The number of $Cl = O$ bonds in $(ii)$ and $(iii)$ together is two

$(B)$ The number of lone pairs of electrons on $Cl$ in $(ii)$ and $(iii)$ together is three

$(C)$ The hybridization of $Cl$ in $(iv)$ is $sp ^3$

$(D)$ Amongst $(i)$ to $(iv)$, the strongest acid is $(i)$

Which of the following aqueous solutions are isotonic $(R = 0.082$  $atm$  ${K^{ - 1}}mo{l^{ - 1}})$
Match the compounds/ions in Column $I$ with their properties/reactions in Column $II$. Indicate your answer by darkening the appropriate bubbles of the $4 \times 4$ matrix given in the $ORS$.
Column $I$ Column $II$
$(A)$ $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CHO}$ $(p)$ gives precipitate with $2, 4$-dinitrophenylhydrazine
$(B)$ $\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH}$ $(q)$ gives precipitate with $\mathrm{AgNO}_3$
$(C)$ $\mathrm{CN}^{-}$ $(r)$ is a nucleophile
$(D)$ $\mathrm{I}^{-}$ $(s)$ is involved in cyanohydrin formation
$IUPAC$ name of $H_2 [PtCl_6]$ is
The reaction (figure) products Identify the product
Alkyl halide on heating with alc. $N{H_3}$ in a sealed tube results…
In the following reaction sequence, the correct structure($s$) of $X$ is (are)

(image)

The correct nomenclature for $F{e_4}{[Fe{(CN)_6}]_3}$ is
The colour of the coordination compounds depends on the crystal field splitting. What will be the correct order of absorption of wavelength of light in the visible region, for the complexes, [Co(NH3)6]3+, [Co(CN)6]3–, [Co(H2O)6]3+
In R−X the bond length is maximum in: