MCQ
If $pH$ of $A,\,\,B,\,\,C$and $D$ are $9.5, 2.5, 3.5 $ and $5.5$ respectively, then strongest acid is
  • A
    $A$
  • B
    $C$
  • C
    $D$
  • $B$

Answer

Correct option: D.
$B$
d
$pH$ The less the solution is, the more acidic the solution is.

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 mass of one hydrogen atom is of the order of
Identify the correct statement for $B _{2} H _{6}$ from those given below.

$(A)$ In $B _{2} H _{6}$, all $B - H$ bonds are equivalent.

$(B)$ In $B _{2} H _{6}$ there are four $3-$centre$-2-$electron bonds.

$(C)$ $B _{2} H _{6}$ is a Lewis acid.

$(D)$ $B _{2} H _{6}$ can be synthesized form both $BF _{3}$ and $NaBH _{4}$.

$(E)$ $B _{2} H _{6}$ is a planar molecule.

Choose the most appropriate answer from the options given below..... .

 Correct statement about $C$ and $D$ is

$C{H_3} - C \equiv C - C{H_3}\xrightarrow{{{H_2}/Pd - BaS{O_4}}}$ $A\xrightarrow{{B{r_2}/CC{l_4}}}C$

$C{H_3} - C \equiv C - C{H_3}\xrightarrow{{Na/Liq.\,N{H_3}}}$ $B\xrightarrow{{B{r_2}/{H_2}O}}D$

The compound is known by which of the following names
How many carbons are in simplest alkyne having two side chains?
Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.

Assertion $(A)$: Cis form of alkene is found to be more polar than the trans form

Reason $(R)$: Dipole moment of trans isomer of $2$-butene is zero.

In the light of the above statements, choose the correct answer from the options given below :

Assertion : $Al(OH)_3$ is insoluble in $NH_4OH$ but soluble in $NaOH$ .

Reason : $NaOH$ is strong alkali.

Ethane is subjected to combustion process. During the combustion the hybrid  state of carbon changes from
Which of the following is not permissible arrangement of electrons in an atom?
Identify the species having one $\pi$-bond and maximum number of canonical forms from the following :