Which of the following is not associated with water molecules?
- A$Cryolite$ $(Na_3AlF_6)$
- B$Bauxite$ $(Al_2O_3 \cdot 2H_2O)$
- C$Kernite$ $(Na_2B_4O_7 \cdot 4H_2O)$
- D$Borax$ $(Na_2B_4O_7 \cdot 10H_2O)$
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Excess $NaOH$ can dissolve
Medium
View SolutionIdentify the correct statements about Boron.
$I.$ It has a high melting point.
$II.$ It has a high density.
$III.$ It has high electrical conductivity.
$IV.$ The $^{10}B$ isotope of it has a high ability to absorb neutrons.
$I.$ It has a high melting point.
$II.$ It has a high density.
$III.$ It has high electrical conductivity.
$IV.$ The $^{10}B$ isotope of it has a high ability to absorb neutrons.
Observe the following reactions (not balanced):
$BF_3 + LiAlH_4 \xrightarrow{(C_2H_5)_2O} X + LiF + AlF_3$
$X + NaH \longrightarrow Y$
The incorrect statement about $Y$ is:
$BF_3 + LiAlH_4 \xrightarrow{(C_2H_5)_2O} X + LiF + AlF_3$
$X + NaH \longrightarrow Y$
The incorrect statement about $Y$ is:
DifficultTS EAMCET 2024
View SolutionIf the formula of Borax is $Na_2B_4O_x(OH)_y \cdot zH_2O$,then $x+y+z = ...........$.
Explain the following:
$(1)$ Gallium has higher ionisation enthalpy than aluminum.
$(2)$ Boron does not exist as $B^{3+}$ ion.
$(1)$ Gallium has higher ionisation enthalpy than aluminum.
$(2)$ Boron does not exist as $B^{3+}$ ion.
Difficult
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