Aluminium Chloride

Q. Edge length of the unit cell of NaCl crystal lattice is 552 pm. If ionic radius of Na ion is 95 pm. What is the ionic radius of chloride ion

1. 190 pm
2. 368 pm
3. 181 pm
4. 276 pm

Q. If $Pt$ in $PtC{l}_4.2HCl$ has a coordination number of 6, how many moles of $AgCl$ will 1 mole of the compound precipitate with excess $AgN{O}_3$ ?

1. 0
2. 1
3. 2
4. 4

Q. Which of the following compounds is most basic?

1. 
2. 
3. 
4. 

Q. One of the by-products formed during the recovery of $N{H}_3$ from Solvay process is:

1. $NaHC{O}_3$
2. $Ca(OH{)}_2$
3. $CaC{l}_2$
4. $N{H}_{4}Cl$

Q. Which of the following halide is $2^o$?

1. Isopropyl chloride
2. n-propyl chloride
3. n-butyl chloride
4. Iso-butyl chloride

Q.

What is meant by the concentrated alkali and dilute alkali?

What are the general methods of preparation of bases?

Q.

One of the by-products formed during the recovery of ${\mathrm{NH}}_3$ from Solvay process is

1. ${\mathrm{NaHCO}}_3$

2. $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$

3. ${\mathrm{CaCl}}_2$

4. ${\mathrm{NH}}_4\mathrm{Cl}$

Q. The electropositive character is the maximum for which of the following elements in group 13?

1. $Al$
2. $B$
3. $Ga$
4. $In$

Q.

Why does sulphur dioxide gas evolved when $\mathrm{HCl}$ gas is added to Sodium thiosulfate?

Q. The coordination number of $C{s}^{+}$ in $CsCl$ structure is:

1. $6$
2. $12$
3. $8$
4. $4$

Q. Aluminium (III) chloride forms a dimer through

1. Aluminium bridging
2. Chlorine bridging
3. hydrogen bond
4. (a) and (c) above.

Q. The maximum covalency of Boron in sodium borofluoride is

1. 4
2. 6
3. 2
4. 8

Q. $Al{F}_3$ is soluble in HF only in presence of KF. It is due to the formation of

1. $Al{H}_3$
2. $K\left[Al{F}_{3}H\right]$
3. $K_3\left[Al{F}_3{H}_3\right]$
4. $K_3\left[Al{F}_6\right]$

Q. Which is the counter ion in $K_2\left[Co\right(N{H}_3{)}_{5}Cl]$?

1. $C{o}^{3+}$
2. $N{H}_3$
3. $K^{+}$
4. $C{l}^{-}$

Q.

Give chemical properties with reactions for hydrogen chloride gas.

Q. The coordination number of Al in crystalline $AlC{l}_3$ is

1. 3
2. 6
3. 2
4. 1

Q. Which of the following does not exists in free form.

1. 
2. 
3. 
4. 

Q. Which one of the following exist in aqueous medium?
M=Aluminium

1. $\left[M\right(H_{2}O{)}_6{]}^{3+}$
2. $\left[M\right(OH{)}_3{]}^{-}$
3. $\left[M\right(H_{2}O{)}_5{]}^{3+}$
4. $\left[M\right(H_{2}O{)}_6{]}^{2+}$

Q. $Zn$ converts its molten state to its solid state. If it has an hcp structure, then find out the number of nearest atoms.

1. $6$
2. $8$
3. $12$
4. $4$

Q. Which is the counter ion in $\left[Pd\right(N{H}_3{)}_4{]}^{2+}2C{l}^{-}$?

1. $P{d}^{2+}$
2. $\left[Pd\right(N{H}_3{)}_4{]}^{2+}$
3. $C{l}^{-}$
4. It does not have a counter ion

Q. The moles of H₂ gas liberated by the reaction of the same weight of aluminium separately with dilute HCl solution and with dil. NaOH solution are in the ratio of

1. 1 : 3
2. 3 : 1
3. 2 : 3
4. 1 : 1

Q.

Which one of the following is observed when dilute HCl is added to iron fillings in a conical flask?

1. Chlorine gas is liberated and ferrous chloride is formed,

2. Hydrogen gas is liberated and ferrous chloride is formed.

3. Oxygen and hydrogen are liberated and ferric chloride is formed in the solution.

4. No change is observed

Q. For the coagulation of a negative sol, the species below, that has the highest flocculating power is:

1. $S{O}_4^{2-}$
2. $N{a}^{+}$
3. $B{a}^{2+}$
4. $P{O}_4^{3-}$

Q.

Which of the following is formed when aluminium oxide and carbon is strongly heated in dry chlorine gas

1. Aluminium chloride

2. Hydrate aluminium chloride

3. Anhydrous aluminium chloride

4. None of these

Q. The product obtained as a result of a reaction of nitrogen with $Ca{C}_2$ is:

1. $C{a}_{2}CN$
2. $CaC{N}_3$
3. $CaC{N}_2$
4. $CaCN$

Q. The coordination number of Al in crystalline $AlC{l}_3$ is

1. 3
2. 6
3. 2
4. 1

Q. Match the following compounds with their corresponding hydride.

1. $Si{H}_4$
2. $Al{H}_3$
3. $HCl$
4. $La{H}_3$

Q. Which one of the following exist in aqueous medium?
M=Aluminium

1. $\left[M\right(H_{2}O{)}_6{]}^{3+}$
2. $\left[M\right(OH{)}_3{]}^{-}$
3. $\left[M\right(H_{2}O{)}_5{]}^{3+}$
4. $\left[M\right(H_{2}O{)}_6{]}^{2+}$

Q. In zinc blende structure, anions are arranged in ccp and cations are present in the tetrahedral voids and only half the tetrahedral voids are occupied.
For this type of structure, radius ratio, $\frac{r_{+}}{r_{-}}$ should be in the range of

1. $0.155-0.225$
2. $0.225-0.414$
3. $0.414-0.732$
4. $0.732-1$

Q.

$AlC{l}_3$ exists as a dimer

1. True

2. False