Complete following chemical equations : Z + 3LiAl{H₄} to X + 3LiF + 3Al{F₃} X + 6{H₂}O to Y +

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p-Block Elements - I

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Complete the following chemical equations :

$Z + 3LiAl{H_4} \to X + 3LiF + 3Al{F_3}$

$X + 6{H_2}O \to Y + 6{H_2}$

$3X + 3{O_2}\xrightarrow{\Delta }{B_2}{O_3} + 3{H_2}O$

Option A

Option B

Option C

Option D

Solution

$(i)$ $4 \mathrm{BF}_{3}+3 \mathrm{LiAlH}_{4} \rightarrow \underset{\text { Diborane }(\mathrm{X})}{2 \mathrm{~B}_{2} \mathrm{H}_{6}}+3 \mathrm{LiF}+3 \mathrm{AlF}_{3}$

$(ii)$ $\mathrm{B}_{2} \mathrm{H}_{6}+6 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{H}_{2} \mathrm{BO}_{3}+6 \mathrm{H}_{2}$

$(iii$) $\mathrm{B}_{2} \mathrm{H}_{6}+3 \mathrm{O}_{2} \stackrel{\Delta}{\longrightarrow} \mathrm{B}_{2} \mathrm{O}_{3}+3 \mathrm{H}_{2} \mathrm{O}$

$\mathrm{Z}=\mathrm{BF}_{3}, \mathrm{X}=\mathrm{B}_{2} \mathrm{H}_{6}$ and $\mathrm{Y}=\mathrm{B}(\mathrm{OH})_{3}$ or $\mathrm{H}_{3} \mathrm{BO}_{3}$

Standard 11

Chemistry

In the following sets of reactants which two sets best exhibit the amphoteric characters of $Al_2O_3. xH_2O$ ?

Set $1$: $Al_2O_3 .xH_2O\, (s)$ and $OH^-(aq)$

Set $2$: $Al_2O_3 .xH_2O\, (s)$ and $H_2O\,(l)$

Set $3$: $Al_2O_3 .xH_2O\, (s)$ and $H^+(aq)$

Set $4$: $Al_2O_3 .xH_2O\, (s)$ and $NH_3(aq)$

hard

(JEE MAIN-2014)

Boron does not form $B^{3+}$ cation easily. it is due to

easy

Complete the following chemical equations :

$Z + 3LiAl{H_4} \to X + 3LiF + 3Al{F_3}$

$X + 6{H_2}O \to Y + 6{H_2}$

$3X + 3{O_2}\xrightarrow{\Delta }{B_2}{O_3} + 3{H_2}O$

Solution

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Complete the following chemical equations : $Z + 3LiAl{H_4} \to X + 3LiF + 3Al{F_3}$ $X + 6{H_2}O \to Y + 6{H_2}$ $3X + 3{O_2}\xrightarrow{\Delta }{B_2}{O_3} + 3{H_2}O$

Solution

Similar Questions

Which one of the following statements is not true regarding diborane ?

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Complete the following chemical equations :

$Z + 3LiAl{H_4} \to X + 3LiF + 3Al{F_3}$

$X + 6{H_2}O \to Y + 6{H_2}$

$3X + 3{O_2}\xrightarrow{\Delta }{B_2}{O_3} + 3{H_2}O$