MCQ
?
  • A

  • B

  • C


Answer

Correct option: D.

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

Electric energy is produced by the:
Identify the incorrect statements about group $15$ elements :

$(A)$ Dinitrogen is a diatomic gas which acts like an inert gas at room temperature.

$(B)$ The common oxidation states of these elements are $-3,+3$ and +5 .

$(C)$ Nitrogen has unique ability to form $\mathrm{p} \pi-\mathrm{p} \pi$ multiple bonds.

$(D)$ The stability of +$5$ oxidation states increases down the group.

$(E)$ Nitrogen shows a maximum covalency of $6$.

Choose the correct answer from the options given below.

A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as $......$
The complexes $\left[ Co \left( H _2 O \right)_6\right]\left[ CrCl _3\right]$ and $\left[ Cr \left( H _2 O \right)_6\right]\left[ CoCl _6\right]$ are shown :
Clemmensen reduction of a ketone is carried out in the presence of which of the following ?
Match the complexes in Column-$I$ with their properties listed in Column-$II$. Indicate your answer by darkening the appropriate bubbles of the $4 \times 4$ matrix given in the $ORS$.
Column-$I$ Column-$II$
$(A)$ $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4\left(\mathrm{H}_2 \mathrm{O}\right)_2\right] \mathrm{Cl}_2$ $(p)$ geometrical isomers
$(B)$ $\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$ $(q)$ paramagnetic
$(C)$ $\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}$ $(r)$ diamagnetic
$(D)$ $\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2$ $(s)$ metal ion with $+2$ oxidation state
An electrolytic cell contains solution of $Ag_2SO_4$ and has Platinum electrodes. A current is passed until $1.6\,g$ of $O_2$ is liberated at anode. The amount of silver deposited at cathode would be ............ $\mathrm{g}$
Which of the following will give yellow precipitate with ${I_2}/NaOH$
Total number of relatively more stable isomer(s) possible for octahedral complex $\left[ Cu ( en )_{2}( SCN )_{2}\right]$ will be $.........$
One mole of glucose is dissolved in $2\, moles$ of water. The vapour pressure of solution relative to that of water is