List of top Chemistry Questions on The p-Block Elements asked in TS EAMCET

Match the following.

\[ \begin{array}{|c|c|c|c|} \hline \text{List-I} & \text{Atomic number} & \text{List-II} & \text{Group} \\ \hline \text{A} & 53 & \text{I} & 16 \\ \hline \text{B} & 34 & \text{II} & 2 \\ \hline \text{C} & 38 & \text{III} & 17 \\ \hline \text{D} & 49 & \text{IV} & 13 \\ \hline & & \text{V} & 7 \\ \hline \end{array} \]
The correct answer is

Which of the following reactions gives oxide of nitrogen which is in solid state and acidic in nature? \[ \begin{aligned} \text{I. }&\mathrm{NH_4NO_3}\xrightarrow{\Delta} \\ \text{II. }& 2\mathrm{Pb(NO_3)_2}\xrightarrow{\Delta} \\ \text{III. }&\mathrm{P_4O_{10}+4HNO_3}\rightarrow \\ \text{IV. }& 2\mathrm{NO}+\mathrm{N_2O_4}\xrightarrow[250\,K]{} \end{aligned} \] The correct answer is

In the formation of photochemical smog, two oxides of nitrogen are significantly formed. The oxidation states of nitrogen in these oxides are respectively

Given below are two statements Statement--I: The number of water molecules associated with \(\mathrm{LiCl}\), \(\mathrm{NaCl}\), \(\mathrm{CaCl_2}\) are \(2,\ 2,\ 6\) respectively. Statement--II: Both \(\mathrm{LiCl}\) and \(\mathrm{MgCl_2}\) are soluble in ethanol. The correct answer is

A compound \(X\) reacts with \(\mathrm{LiAlH_4}\) in diethyl ether and gives a colourless, highly toxic gas. This gas when heated with \(\mathrm{NH_3}\) gives inorganic benzene. \(X\) is \[ \begin{aligned} \text{I. } & \text{Electron deficient molecule} \text{II. } & \text{Trigonal planar molecule} \text{III. } & \text{On hydrolysis forms octahedral ion} \end{aligned} \] Correct answer is

The oxide of \(14^{\text{th}}\) group element which only exists at high temperature is

Beryllium is diagonally related to the element \(X\) and lithium is diagonally related to the element \(Y\). The nature of oxides of \(X\) and \(Y\) are respectively

The transition temperature of sulphur is

Match the following

The correct answer is

Match the following

The correct answer is

Consider the following reactions \[ Al(s)+HCl(aq)\rightarrow X+A\uparrow \] \[ Al(s)+NaOH(aq)\rightarrow Y+B\uparrow \] Which of the following is are correct? I. Y is water soluble II. X is not soluble in water III. Both A and B are same

Which of the following does not exist?

Consider the following ions

. The largest cation and largest anion are respectively}

What are X and Y in the following reactions? \[ 2X_2(g)+2H_2O(l)\rightarrow4H^+(aq)+4X^-(aq)+O_2(g) \] \[ Y_2(g)+H_2O(l)\rightarrow HY(aq)+HOY(aq) \]

In which of the following sets, the reaction and catalyst are correctly matched?

Observe the following reactions

Which are common for both Y and W? I. Four P-OH bonds II. Two P-H bonds III. Two \(P=O\) bonds IV. One P-O-P bond

The correct order of metallic radius of Al, Ga, In, Tl is

Among the following the neutral oxide is

An acid `X' is prepared by acidifying an aqueous solution of borax. Which of the following statements are true for `X'?
I. It is white liquid with soapy touch
II. It is sparingly soluble in water
III. It is strong monobasic acid
IV. It acts as Lewis acid

Which of the following sets are correctly matched?

Which of the following set of Oxides is not correctly matched?

The correct order of atomic radii of Al, Ga, In, Tl is

Identify the number of metalloids from the following: Sb, Be, P, Ge, Te, S, Cs, Tc, I

Correct statements regarding halides of group 14 elements:
I. Stability of dihalides: SiX$_2$ > GeX$_2$ > SnX$_2$ > PbX$_2$
II. SnF$_4$, PbF$_4$ are ionic
III. PbI$_4$ does not exist

The reaction/s which represent the production of diborane on an industrial scale is/are:
I. 4BF$_3$ + 3LiAlH$_4$ → 2B$_2$H$_6$ + 3LiF + 3AlF$_3$
II. 2NaBH$_4$ + I$_2$ → B$_2$H$_6$ + 2NaI + H$_2$
III. 2BF$_3$ + 6NaH → B$_2$H$_6$ + 6NaF