List of top Chemistry Questions on GROUP 14 ELEMENTS

Consider the oxides of group 14 elements $SiO_2,GeO_2,SnO_2,PbO_2,CO$ and $GeO$. The amphoteric oxides are

Given below are two statements:
Statement I: The electronegativity of group 14 elements from Si to Pb gradually decreases.
Statement II: Group 14 contains non-metallic, metallic, as well as metalloid elements.
In the light of the above statements, choose the most appropriate from the options given below:

Evaluate the following statements related to group 14 elements for their correctness.
(A) Covalent radius decreases down the group from C to Pb in a regular manner.
(B) Electronegativity decreases from C to Pb down the group gradually.
(C) Maximum covalence of C is 4 whereas other elements can expand their covalence due to presence of d orbitals.
(D) Heavier elements do not form ppi-ppi bonds.
(E) Carbon can exhibit negative oxidation states.
Choose the correct answer from the options given below:

How many types of oxides do Carbon family form?

Which one of the following complex ions has geometrical isomers?

Option 1: $\left[\text{Co}(\text{Cl})_2(\text{en})_2\right]^+$

Option 2: $\left[\text{Cr}(\text{NH}_3)_4(\text{en})\right]^{3+}$

Option 3: $\left[\text{Co}(\text{en})_3\right]^{3+}$

Option 4: $\left[\text{Ni}(\text{NH}_3)_5\right]\text{Br}$

Given are two statements regarding the properties of carbon in Group 14 of the periodic table:
Statement-I: Carbon has the highest catenation power in group 14 elements.
Statement-II: Carbon has small size and high electronegativity compared to other elements of group 14.

Identify the correct statements from the following: (i) Ti (IV) is more stable than Ti (III) and Ti (II)
(ii) Among 3d-series elements (from Z = 22 to 29) only copper has positive reduction potential ($ M^{2+}/M $) (iii) Both Sc and Zn exhibit +1 oxidation state

The pair of molecules/ions with same geometry but central atoms in different states of hybridization is:

Identify the pair in which the difference in bond order value is maximum.

Which of the following is not correct?

Which element of group 14 decomposes steam to form dioxide and dihydrogen gas?

Identify the correct statement about the oxidation states of group 14 elements

The correct statements with respect to halides of group 14 elements are:
(I) Both CCl4 and SiCl4 undergo hydrolysis.
(II) GeX4 is more stable than GeX2.
(III) PbX4 is less stable than PbX2.
(IV) Stability of dihalides decreases down the group.

Which of the following is water-gas shift reaction?

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A): $[SiF_6]^{2-}$ is formed but $[SiCl_6]^{2-}$ is not

Reason (R): Electronegativity $(EN)$ of $F$ is higher than $EN$ of $Cl$

In the light of the above statements, choose the correct answer from the options given below

The main reason the $SiCl_4$ is easily hydrolysed as compared to $CCl_4$ is that

Which of the followings forms the base of talcum powder?

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : Graphite is a good conductor of heat and electricity.

Reason (R) : Graphite has all the electrons firmly held together in $C - C \sigma$-bonds.

In the light of the above statements, choose the correct answer from the options given below

$Al _{2} O _{3}$ is converted to aluminium by reduction with carbon. Carbon (graphite) has greater affinity for oxygen than $Al$.

The basic structural unit of silicates is :-

The catenation tendency of $C, Si$ and $Ge$ is in the order Ge $

The element that does not show catenation among the following $p$-block elements is

Carborundum is the name of

The stability of dihalides of $Si, Ge, Sn $ and $Pb$ increases steadily in the sequence

The correct order regarding the electronegativity of hybrid orbitals of carbon is