Question
State the characteristics of Interstitial compounds.

Answer

⇒ (i) They have high melting points, which are higher than the melting point of their pure metal
(ii) They are harder, some boride compound are diamond like hardness.
(iii) They retain metallic conductivity.
(iv) They are chemically inert

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Unlike dry cell, the mercury cell has a constant cell potential throughout its useful life. Why?
Explain the reaction of alcohols with hydrogen halides. ### Short note: Lucas test
How can phenol be converted to aspirin?
For a reaction
$2\text{H}_2\text{O}_2\xrightarrow[\text{alkaline medium}]{\text{I}^-}2\text{H}_2\text{O}+\text{O}_2$
the proposed mechanism is as given below:
  1. $\text{H}_2\text{O}_2+\text{I}^{-}\xrightarrow{\ \ \ \ \ \ \ }\text{H}_2\text{O}+\text{IO}^{-}(\text{slow})$
  2. $\text{H}_2\text{O}_2+\text{IO}^{-}\xrightarrow{\ \ \ \ \ \ \ }\text{H}_2\text{O}+\text{I}^{-}+\text{O}_2(\text{fast})$
  1. Write rate law for the reaction.
  2. Write the overall order of reaction.
  3. Out of steps (1) and (2), which one is rate determining step?
 An aromatic compound ‘A’ on treatment with aqueous ammonia and heating forms compound ‘B’ which on heating with Br2 and KOH forms a compound ‘C’ of molecular formula C6H7N. Write the structures and IUPAC names of compounds A, B, C.
What is meant by inversion of sugar?
What are Vinylic halides and Aryl halide Explain with examples.### Explain classification of halogen compound containing sp² C - X bonds.
Write main postulates of Werner's theory of coodrdination compounds.
Write the mechanism of the reaction of HI with methoxybenzene.
Note: In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
  1. Both assertion and reason are true and the reason is the correct explanation of assertion.
  2. Both assertion and reason are true and the reason is not the correct explanation of assertion.
  3. Assertion is true but the reason is false.
  4. Both assertion and reason are false.
  5. Assertion is false but reason is true.
Assertion: Current stops flowing when ECell = 0.
Reason: Equilibrium of the cell reaction is attained.