$1, 2$ and $3$

$1, 2$ and $4$

$1, 3$ and $4$

$2, 3$ and $4$

Na

Mg

Al

Si

$AlCl _{3}.6H _{2}O \xrightarrow[]{\Delta}$

$Al(red hot) + HCl(moist)\xrightarrow[]{\Delta}$

$Al _{2}O _{3} + C+ Cl _{2}(dry) \xrightarrow[]{\Delta}$

All of these

Na

Mg

Al

Si

$Al _2Cl _6$

$BH _3$

$PH _3$

$PCl _5$

Is equal to chloride ions

Is equal to $\cfrac{1}{3}$ chloride ions

Three times of ${Cl}^{-}$ ion

None of these

Heating $Al{Cl} _{3}.6{H} _{2}O$

By passing dry $HCl$ over hot aluminium powder

By passing dry ${Cl} _{2}$ over hot aluminium powder

By passing dry ${Cl} _{2}$ over hot mixture of alumina and coke

True

False

It exists as a dimer

It is a covalent compound

It involves back bonding between Cl and Al

Its aqueous solution conducts electricity

$AlH _{ 3 }$

$K\left[ AlF _{ 3 }H \right]$

${ K } _{ 3 }\left[ AlF _{ 3 }{ H } _{ 3 } \right]$

${ K } _{ 3 }\left[ AlF _{ 6 } \right]$

A white gelatinous precipitate

Soluble in excess of $NH _4OH$

Soluble in excess of $NaOH$

Amphoteric in nature

${ AlH } _{ 3 }$

${ K[AlF } _{ 3 }H]$

${ { K } _{ 3 }[AlF } _{ 3 }{ H } _{ 3 }]$

${ { K } _{ 3 }[AlF } _{ 6 }]$

$Al _2(SO _4) _3$

$Mg(NO _3) _2$

$CaCl _2$

$NaNO _3$

$AICI _3$

$SiCI _4$

$BF _3$

$SF _6$

$1.3\times {10}^{4}g$

$9.0\times {10}^{3}g$

$8.1\times {10}^{4}g$

$2.4\times {10}^{5}g$

${{\text{[Al(OH}}{{\text{)}} _{\text{6}}}{\text{]}}^{{\text{3 - }}}}{\text{ + 3HCl}}$

${{\text{[Al(}}{{\text{H}} _2}{\text{O}}{{\text{)}} _{\text{6}}}{\text{]}}^{{\text{3 + }}}}{\text{ + 3HC}}{{\text{l}}^ - }$

$A{l^{3 + }} + 3C{l^ - }$

${\text{A}}{{\text{l}} _{\text{2}}}{{\text{O}} _{\text{3}}}{\text{ + 6HCl}}$

$Al _2O _3+6HCl$

$[Al(H _2O) _6]^{3+}+3Cl^-$

$[Al(OH) _6]^{3+}+6Cl^-$

$Al^{3+}+3Cl^-$

$Al _2O _3\cdot H _2O$

$Al(OH) _3$

$Al _2O _3$

$AlCl _3\cdot 6H _2O$

$AIC{I _3}$

$A{l _2}{O _3}$

$Al(OH)C{L _2}\,$

$A{L _2}C{l _6}$

cannot form a trimer.

has high ionization energy.

belongs to third group.

can have higher coordination number.

$Al _{2}O _{3}.H _{2}O$

$Al(OH) _{3}$

$Al _{2}O _{3}$

$AlCl _{3}.6H _{2}O$

True

False

Heating of $AlCl _3.\, 6H _2O$

Passing dry HCl over heated aluminium powder

Passing dry $Cl _2$ over heated aluminium powder

Heating a mixture of alumina and coke in a current of dry $Cl _2$

$BCl _{3}$ and $AlCl _{3}$ are both Lewis acids and $BCl _{3}$ is stronger than $AlCl _{3}$

$BCl _{3}$ and $AlCl _{3}$ both Lewis acids and $AlCl _{3}$ is stronger than $BCl _{3}$

Both $BCl _{3}$ and $AlCl _{3}$ are both equally strong Lewis acids.

Both $BCl _{3}$ and $AlCl _{3}$ are not Lewis acids.

anhydrous and covalent

anhydrous and ionic

covalent and basic

coordinate and acidic

acidic

basic

amphoteric

none of the above

reaction of HCl and Al metal

reaction of dry HCl and heated Al metal

passing $Cl _2$ gas over heated Al metal

reaction of $Al _2O _3$ with dil HCl.

$Al(OH) _3+HCl$

$[Al(H _2O) _6]^{3+}+3Cl^-$

$AlCl _3.2H _2O$

$Al _2O _3+HCl$

$Al^{3+} +2Cl$

$Al _2O _3+6HCl$

$[Al(OH) _6]^3+3HCl$

$[Al(H _2O) _6]^{3+}+3Cl$

Solid $AlCl _3$

Dimer $Al _2Cl _6$

$Al(OH) _3$

$Al _2O _3$

It is hygroscopic in nature

It gives out chlorine when exposed to air.

It is hydrolysed in moist air giving out fumes of $HCl$.

It loses water when exposed to moist air.

Heating of $AlCl _{3}.6H _{2}O$

Passing dry $HCl$ over heated aluminium powder

Passing dry $Cl _{2}$ over heated aluminium powder

Heating a mixture of alumina and coke in a current of dry $Cl _{2}$

$AlCl _3$

$MgCl _2$

$CaCl _2$

$BaCl _2$

Its anhydrous form is deliquescent and fumes in air.

It is not easily hydrolyzed.

It sublimes at  $20^0C$ under vaccum.

It is a strong Lewis base.

$S _{1}=S _{2}$

$S _{1}> S _{2}$

$S _{1}< S _{2}$

$S _{1}< S _{2}$ but not $S _{1}=S _{2}$

Heating ${Al Cl _3.6 H _2 O}$

Heating a mixture of alumina and coke in a current of dry chlorine

Passing dry HCl gas over heated aluminium powder

Passing dry chlorine over heated aluminium

Heating of $ AlCl _3 . 6H _2O $.

Passing dry HCl over heated aluminium powder.

Passing dry $ Cl _2 $ over heated aluminium powder.

Heating a mixture of alumina and coke in a current of dry $ Cl _2 $.

dilute $HCl$ and $Al$

$Al$ and $Cl$ gas

$HCl$ gas and $Al$ metal

none

$Al(OH) _3$

$Al _2Cl _6$

$Al _2O _3$

$Al _2(SO _4) _3$

$AlCl _3$

$BCl _3$

$SiCl _4$

$PbCl _4$