MCQ
A black sulphide ppt when treated with ozone becomes white, the white compound is
- A$ZnSO_4$
- B$CaSO_4$
- C$BaSO_4$
- ✓$PbSO_4$
✓
Answer
Correct option: D.
$PbSO_4$
d
Carbon and Nitrogen has a unique ability to form $p \pi-p \pi$ multiple bonds with itself and with other atoms of small size and high electronegativity.
Carbon and Nitrogen has a unique ability to form $p \pi-p \pi$ multiple bonds with itself and with other atoms of small size and high electronegativity.
Few examples of multiple bonding are $C = C , C = O , N = C$
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
Which of the following is incorrect
$NH_3$ can not be obtained by
→Aqueous solution of an acid is characterised by the presence of
Which of the following is not a correct statement for primary aliphatic amines?
The molar conductivities at infinite dilution of barium chloride, sulphuric arid and hydrochloric acid are $280,860$ and $426 \,Scm ^{2}$ $mol ^{-1}$ respectively. The molar conductivity at infinite dilution of barium sulphate is $...... \,S cm ^{2} mol ^{-1}($ Round off to the Nearest Integer).
→The heats of combustion of rhombic and monoclinic sulphur are respectively $ 70960 $ and $71030$ calories. What will be the heat of conversion of rhombic sulphur to monoclinic.....$calories$
→Scheme $1$ and $2$ describe the conversion of $P$ to $Q$ and $R$ to $S$, respectively. Scheme $3$ describes the synthesis of $T$ from $Q$ and $S$. The total number of $Br$ atoms in a molecule of $T$ is. . . . . . . .
→Scheme $1$ : (image)
Scheme $2$ :(image)
Scheme $3$ :(image)
Which of the following Alkane cannot be prepared by Hydrogenation of olefin
$Sc\, (Z = 21)$ is a transition element but $Zn\, (Z = 30)$ is not because
→$N_2O_5$ decomposes to $NO_2$ and $O_2$ and follows first order kinetics . After $50\, minutes$, the pressure inside the vessel increases from $50\, mm\,Hg$ to $87 .5\, mm \,Hg$. The pressure of the gaseous mixture after $100\, minutes$ at constant temperature will be ........... $mm\,Hg$
→