Which of the following is the correct match?

  • A
    Ordinary form of borax $:$ $Na_2B_4O_7 \cdot 5H_2O$
  • B
    Colemanite $:$ $Ca_2B_6O_{11} \cdot 5H_2O$
  • C
    Boronatrocalcite $:$ $2Mg_3B_8O_{15} \cdot MgCl_2$
  • D
    Octahedral form of borax $:$ $Na_2B_4O_7 \cdot 10H_2O$

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Similar Questions

When $B_2H_6$ reacts with excess $NH_3$ at a very high temperature $(> 200 \, ^\circ C)$,the product formed is:

Identify the correct statements:
$i$. Oxidation of $NaBH_4$ with $I_2$ gives $B_2H_6$
$ii$. $B_2H_6$ burns in oxygen and releases an enormous amount of energy
$iii$. $B_2H_6$ on hydrolysis gives a tribasic acid

In the following reaction,assign the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$:
$\underline{B}_2O_3 + 3H_2O \longrightarrow 2H_3BO_3$

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Identify the correct statements from the following:
$(i)$ The atomic radius of $Al$ is lower than the atomic radius of $Ga$.
$(ii)$ Boron exists in many allotropic forms.
$(iii)$ The melting point of $Ga$ is lowest among the group $13$ elements.

Is boric acid a protic acid? Explain.

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