मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Answer the following. The pKa value of HCl is - 7.0 and that of HI is -10.0. Which is the stronger acid? - Chemistry

Advertisements
Advertisements

प्रश्न

Answer the following.

The pKa value of HCl is - 7.0 and that of HI is -10.0. Which is the stronger acid?

एका वाक्यात उत्तर

उत्तर

The smaller the pKa value, the greater its acidity. Hence, HI is a stronger acid than HCl.

shaalaa.com
Chemical Properties of Elements of Groups 16, 17 and 18
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Elements of Groups 16, 17 and 18 - Exercises [पृष्ठ १६३]

APPEARS IN

बालभारती Chemistry [English] 12 Standard HSC
पाठ 7 Elements of Groups 16, 17 and 18
Exercises | Q 2. viii. | पृष्ठ १६३

संबंधित प्रश्‍न

Select appropriate answers for the following.

Stability of interhalogen compounds follows the order _______.


Select appropriate answers for the following.

Chlorine reacts with excess of fluorine to form _______.


Select appropriate answers for the following.

Which of the following has one lone pair of electrons?


Answer the following.

What is the action of bromine on magnesium metal?


Complete the following.

\[\ce{ICl3 + H2O -> \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{} + ICl}\]


Complete the following.

H2C = CH2 + ICl → _______


Complete the following.

\[\ce{XeF6 + 6H2O -> \underline{}\underline{}\underline{}\underline{} + HF}\]


Complete the following.

\[\ce{XeOF4 + H2O -> \underline{}\underline{}\underline{}\underline{} + HF}\]


Match the following:

A B
XeOF2 Xenon trioxydifluoride
XeO2F2 Xenon monooxydifluoride
XeO3F2 Xenon dioxytetrafluoride
XeO2F4 Xenon dioxydifluoride

Answer the following.

Acidic character of hydrides of group 16 elements increases from H2O to H2Te. Explain.


Describe the manufacturing of H2SO4 by the contact process.


Acidic strength of halogen acids increases in the order of _______.


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


What is the oxidation state of sulfur in the product formed?

\[\ce{S + \underset{(Conc.)}{2H2SO4} ->}\]


Which of the following metal halide is more covalent?


Which is the lowest oxidation state possessed by chlorine in it's oxyacids?


What is the highest oxidation state possessed by chlorine in its oxyacids?


Which halide of magnesium has highest ionic character?


What is the highest oxidation state exhibited by group 17 elements?


What is the oxidation number of gold in the complex [AuCl4]1−?


Consider the following reaction.

I. \[\ce{Na2B4O7 ->[760° C] {...A...} + B2O3}\]

II. \[\ce{Si + KOH + H2O ->{...B...} + H2\uparrow}\]

III. \[\ce{P2O5 + HNO3 -> HPO3 + {...C...}}\]

IV. \[\ce{NH3 + Cl2(excess) -> {...D...} + HCl}\]

Identify the missing products of the given reactions.


Give two reactions showing oxidising property of concentrated H2SO4. Write the structures of HClO3 and HClO4.


Arrange the halogen acids in the decreasing order of acidic strength.


Explain reactivity of halogens towards oxygen.


Give two reactions in which acidified K2Cr2O7 is used as an oxidizing agent.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×