MCQ
Which of the following is anthracene
  • $(a)$
  • B
    $(b)$
  • C
    Both
  • D
    None

Answer

Correct option: A.
$(a)$
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

When $CrI_3$ oxidises to $Cr_2O_7^{-2}$ and $IO_4^-$ , equivalent mass of $CrI_3$ will be :-
In the ground state of atomic $Fe \,( Z =26)$ the spin-only magnetic moment is ...... $\times 10^{-1} \,BM$. (Round off to the Nearest Integer).

$[$ Given $: \sqrt{3}=1.73, \sqrt{2}=1.41]$

Two students were given the task to prepare an adduct $NH_3 \to BH_3$ at low temperature :-

Student $I$ :- She mixed $B_2H_6$ and $NH_3$

Student $II$ :- He mixed $B_2H_6$ with $THF$ followed by addition of $NH_3$

Which student is expected to get the $CORRECT$ final product ?

2HI ⇌ H2​ + I2​
The equilibrium constant of the above reaction is 6.4 at 300K. If 0.25 mole each of H2​ and I2​ are added to the system, the equilibrium constant will be:
$16.8$ litre gas containing ${H_2}$ and ${O_2}$ is formed at $NTP$ on electrolysis of water. What should be the weight of electrolysed water .............. $\mathrm{g}$
Although benzene is highly unsaturated it does not undergo addition reactions. The explanation of this can be suggested as:
Reduction of the metal centre in aqueous permanganate ion involves

$(A)$ $3$ electrons in neutral medium

$(B)$ $5$ electrons in neutral medium

$(C)$ $3$ electrons in alkaline medium

$(D)$ $5$ electrons in acidic medium

In which one of the following changes there are transfer of five electrons
Which one of the following bonds has the highest bond energy ?
What weight of $S{O_2}$ can be made by burning sulphur in $5.0$ moles of oxygen .......... $\mathrm{gm}$