Bond Angle

Q.

The correct sequence of decrease in the bond angles of the following hydrides is

1. NH₃> PH₃> AsH₃> SbH₃

2. NH₃> AsH₃> PH₃> SbH₃

3. SbH₃> AsH₃> PH₃> NH₃

4. PH₃> NH₃> AsH₃> SbH₃

Q. When the hybridization state of carbon atom changes from $s{p}^3$ to $s{p}^2$ and finally to $sp$, the angle between the hybridized orbitals:

1. Not effected

2. Decreases considerably

3. Decreases gradually

4. Increases progressively

Q. H - B - H bond angle in $B{H}_4^{-}$ is:

1. 180°

2. 120°

3. 109°

4. 90°

Q.

Bond angle is defined as the angle between the orbitals containing bonding electron pairs around the central atom in a molecule/complex ion. (True/False)

1. False
2. True

Q.

In the given molecule choose the correct order of their angle.

1. x = y = z

2. can't be predicted

3. x > y > z

4. x < y < z

Q.

The correct order of bond angles (smallest first) in $H_{2}S,N{H}_3,B{F}_3$ and $Si{H}_4$ is-

1. 

2. 

3. 

4. 

Q. Bond angle is defined as the angle between the orbitals containing bonding electron pairs around the central atom in a molecule

1. True
2. False

Q. Which of the following arrangements correctly represents the decreasing order of bond angles?

1. $N{H}_3>P{H}_3>As{H}_3$
2. $N{H}_3>H_{2}O>F_{2}O$
3. $N{O}_2^{+}>N{O}_2^{-}>N{O}_2$
4. $C{H}_4>N{H}_3>H_{2}O$

Q.

Which bond angle will result in maximum dipole moment for $X{Y}_2$?

1. 

2. θ = 180°

3. θ = 150°

4. θ = 120°

Q. What is/are the correct option(s) about $Cl{O}_2$?

1. It has one odd electron and dimerizes to form $C{l}_2{O}_4$ which exists as $C{l}^{+}Cl{O}_4^{-}$
2. It has bond angle more than $OC{l}_2$
3. It can be prepared by reaction of $KCl{O}_3$ with oxalic acid
4. It is $10$ times more soluble in water than chlorine because it hydrolyzes more readily than $C{l}_2$