Advertisements
Advertisements
Question
Answer the following.
Write the order of the thermal stability of the hydrides of group 16 elements.
Advertisements
Solution
The decreasing order of thermal stability: H2O > H2S > H2Se > H2Te
APPEARS IN
RELATED QUESTIONS
Select appropriate answers for the following.
Chlorine reacts with excess of fluorine to form _______.
Select appropriate answers for the following.
In which of the following pairs, molecules are paired with their correct shapes?
Give two uses of ClO2.
Write the names of allotropic forms of selenium.
Complete the following.
\[\ce{ICl3 + H2O -> \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{} + ICl}\]
Complete the following.
Cl2 + ClF3 → _______
Match the following:
| A | B |
| XeOF2 | Xenon trioxydifluoride |
| XeO2F2 | Xenon monooxydifluoride |
| XeO3F2 | Xenon dioxytetrafluoride |
| XeO2F4 | Xenon dioxydifluoride |
What is the oxidation state of xenon in the following compounds?
XeOF4, XeO3, XeF6, XeF4, XeF2.
Answer the following.
Acidic character of hydrides of group 16 elements increases from H2O to H2Te. Explain.
Acidic strength of halogen acids increases in the order of _______.
The halide that undergoes sp3d hybridisation is ____________.
____________ and ____________ are the rarest elements of the group 18.
Identify the properties of group 17 elements that show decreasing trend down the group.
i. Atomic radius
ii. Ionisation enthalpy
iii. Electronegativity
Which of the following oxyacid of chlorine is thermally least stable?
Which among the following gases is used to produce and sustain powerful super conducting magnets for NMR and MRI systems?
What is the highest oxidation state possessed by chlorine in its oxyacids?
What is the action of selenium on magnesium metal?
Which halide of magnesium has highest ionic character?
Which among the following compounds does not act as reducing agent?
Among the following order, which one is the correct order of reactivity of group 16 elements?
Arrange the halogen acids in the decreasing order of acidic strength.
What are the allotropes of oxygen?
Give two reactions in which acidified K2Cr2O7 is used as an oxidizing agent.
What is the action of hydrochloric acid on the following?
NH3
What is the action of hydrochloric acid on the following?
Na2CO3
What is the action of H2 on elements of group 17?
What is the action metal on elements of group 17?
Arrange the following in the increasing order of the property mentioned:
\[\ce{HF}\], \[\ce{HCl}\], \[\ce{HBr}\], \[\ce{HI}\] (thermal stability)
