MCQ
What is the structure of $C$?

  • B

  • C

  • D

Answer

Correct option: A.

a

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

Which of the following biphenyls is optically active?
The number of possible isomers of the compound with molecular formula ${C_7}{H_8}O$ is
An unknown compound $(A)$ has a molecular formula $C_4H_6$. When $(A)$ is   treated with excess of $Br_2$ a new substance $(B)$ with formula $C_4H_6Br_4$ is formed. $(A)$ forms a white $ppt.$ with amrnonical silver nitrate  solution. $(A)$ may be
What is the mole fraction of the solute in a $1.00\, m$ aqueous solution ?
The number of hydrogen atoms directly attached to phosphorus atom in phosphorous acid is
The energy of the electron in the first orbit of $He^+$ is $-871.6\times 10^{-20}\,J$. The energy of the electron in the first orbit of hydrogen would be
After how many seconds will the concentration of the reactants in a first order reaction be halved, if the decay constant is ${\rm{1}}{\rm{.155}} \times {\rm{1}}{{\rm{0}}^{{\rm{ - 3}}}}\,{\sec ^{ - 1}}$ ........... $\sec$
Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound $E$. Compound $\mathrm{E}$ on further treatment with aqueous $\mathrm{KOH}$ yields compound $\mathrm{F}$. Compound $\mathrm{F}$ is
The correct statement regarding $ClO_{n }^-$ molecular ion is
A mixture of $1$ mole of $H _2 O$ and $1$ mole of $CO$ is taken in a $10$ litre container and heated to $725\,K$. At equilibrium $40 \%$ of water by mass reacts with carbon monoxide according to the equation :

$CO ( g )+ H _2 O ( g ) \rightleftharpoons CO _2( g )+ H _2( g )$ The equilibrium constant $K _{ C } \times 10^2$ for the reaction is $.......$ (Nearest integer)