Boric acid is an acid because its molecule 

  • [NEET 2016]
  • A

    contains replaceable $H^+$ ion

  • B

    gives up a proton

  • C

    accepts $OH^-$ from water releasing proton.

  • D

    combines with proton from water molecule.

Similar Questions

An element $A$ dissolves both in acid and alkali. It is an example of

Consider the following statements for diborane 

$1.$  Boron is approximately $sp^3$ hybridized

$2.$  $B-H-B$ angle is $180^o$

$3.$  There are two terminal $B-H$ bonds for each boron atom

$4.$  There are only $12$ bonding electrons available

Of these statements

The incorrect stability order of $+3$ and $+1$ states of $13^{th}$ group elements (boron family) is

Which metal is protected by a layer of its own oxide

Match List $I$ with List $II$. Choose the correct answer from the options given below:

List $-I$ List $-II$

$A.$ Melting point $[\mathrm{K}]$ 

$I.$ $\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}$

$B.$ Ionic Radius $\left[\mathrm{M}^{+3} / \mathrm{pm}\right]$

$II.$ $\mathrm{B}>\mathrm{Tl}>\mathrm{Al} \approx \mathrm{Ga}>\mathrm{In}$
$C.$ $\Delta_{\mathrm{i}} \mathrm{H}_1 $ $ [\mathrm{~kJ} \mathrm{~mol}^{-1}]$ $III.$ $\mathrm{Tl}>\mathrm{In}>\mathrm{Al}>\mathrm{Ga}>\mathrm{B}$
$D.$ Atomic Radius $[pm]$ $IV.$ $\mathrm{B}>\mathrm{Al}>\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}$

  • [JEE MAIN 2024]