Download App

Solid State — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistrySolid State2 Marks
Question
Ionic solids are hard and brittle. Explain.
✓

Answer

Ionic solids are hard and brittle.Ionic solids are hard due to the presence of strong electrostatic forces of attraction. The brittleness in ionic crystals is due to the non- directional bonds in them.

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

Explore more

More "Answer the following in one or two sentence." from Solid State→Solid State — all question types→Chemistry STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

The rate law for the reaction $2 H _{2( g )}+2 NO _{( g )} \rightarrow N _{2( g )}+2 H _2 O _{( g )}$ is given by rate $= k \left[ H _2\right][ NO ]^2$.
The reaction occurs in the following two steps:
(i) $H _{2( g )}+2 NO _{( g )} \rightarrow N _2 O _{( g )}+ H _2 O _{( g )}$
(ii) $N _2 O _{( g )}+ H _{2( g )} \rightarrow N _{2( g )}+ H _2 O _{( g )}$
What is the role of $N _2 O$ in the mechanism? What is the molecularity of each of the elementary steps?
→
Write the features of reversible process.
→
Write one property of a buffer solution.
→
If the half-life period of a zero order reaction with initial concentration $0.1 M$ is $21.3 min$, what will be the half-life when the concentration is $0.3 M$ ?
→
Can copper sulphate solution be stored in an iron vessel ? Explain.
→
A chemical reaction takes place in a container of cross sectional area $100 cm ^2$. As a result of the reaction, a piston is pushed out through $10 cm$ against an external pressure of $1.0 bar$. Calculate the work done by the system.
→
Give one fluorinating reaction given by inter-halogen compounds.
→
Identify the molecularity and write the rate law for each of the following elementary reactions :
(a) $NO _{( g )}+ O _{3( g )} \rightarrow NO _{3( g )}+ O _{( g )}$
(b) $H _2 I _{( g )}+ I _{( g )} \rightarrow 2 HI _{( g )}$
(c) $Cl _{( g )}+ Cl _{( g )}+ N _{2( g )} \rightarrow N _{2( g )}$
→
Write the molecular and structural formulae of:
$(a)$ Thiosulphuric acid $(b)$ Dithionous acid
→
Arrange the following amines in the increasing order of their ${ }_p K_b$ values. Aniline, Cyclohexylamine, 4 -Nitroaniline
→