p-Block Elements · Chemistry · MHT CET

What is the value of $$\angle \mathrm{S}-\mathrm{S}-\mathrm{S}$$ in puckered $$\mathrm{S}_8$$ rhombic sulfur?

Which element from following exhibits the highest number of allotropes?

Which element from following does NOT belong to chalcogen family?

Which noble gas element from following exhibits highest number of different oxidation states?

Which among the following compounds exhibits +2 oxidation state of oxygen?

Identify the element having highest density from following.

Which from following molecules exhibits lowest thermal stability?

Identify weakest halogen acid from following.

Identify strongest oxoacid of halogen from following.

Which from following molecules exhibits highest acidic nature?

Which among the following compounds contains highest number of chlorine atoms in their single molecule ?

Which among following compounds of chlorine possesses Cl atom in highest oxidation state?

Which element from following combines with hydrogen to form compound having lowest acidic strength?

Which from following statements is true for group 16 elements?

Which among the following compounds in NOT a colourless gas?

Identify use of argon from following.

Which element from following belongs to oxygen family?

Oxidation state of iodine in I$$_3^-$$ is

Which among the following noble gases reacts with fluorine to give crystalline fluorides?

Which among the following is NOT the use of SO$$_2$$ gas?

What is the number of allotropes of selenium?

Which from following elements of halogen family is in liquid state at room temperature?

Which of the following oxyacids of sulphur contain four $\mathrm{S}=\mathrm{O}$ bonds?

Which of the following molecular formula represents Marshall's acid?

What is the highest oxidation state possessed by phosphorus in it's oxyacids?

Which of the following is obtained by catalytic oxidation of ammonia?

Which of the following reaction proves the chlorinating property of phosphorus pentachloride?

How many numbers of $$\mathrm{P}-\mathrm{OH}$$ and $$\mathrm{P}-\mathrm{O-P}$$ bonds are present in pyrophosphoric acid respectively?

Which among the following is non-poisonous in nature?

Which among the following pairs of halogen forms the interhalogen compound of the type $$X X^{\prime}{ }_7$$ ?

Which among the following group-15 elements does not react with concentrated sulphuric acid?

Which of the following is also called as nitrogen sesquioxide?

Which among the following does not form polyhalide ion?

In which oxidation state, group 15 elements act as Lewis base?

Which of following elements does not react with hot concentrated sulphuric acid?

What is the atomicity of aluminium phosphate?

When $\mathrm{CuSO}_4$ solution in water is treated with concentrated HCl it turns

Which among the following group 15 elements does not exhibit allotropy?

Which among the following oxides of nitrogen is called nitrogen sesquioxide?

Which of following is not a property of red phosphorus?

Which hydride among the following is strongest reducing agent?