Explain the following:
$(1)$ $Tl(NO_3)_3$ acts as an oxidizing agent.
$(2)$ Carbon shows catenation property but lead does not.
$(1)$ $Tl(NO_3)_3$ acts as an oxidizing agent.
$(2)$ Carbon shows catenation property but lead does not.
(N/A) Due to the inert pair effect,$Tl$ is more stable in the $+1$ oxidation state than in the $+3$ oxidation state. Therefore,$Tl(NO_3)_3$ acts as a strong oxidizing agent.
Carbon atoms have the tendency to link with one another through covalent bonds to form chains and rings. This property is called catenation. This is because $C-C$ bonds are very strong. Down the group,the atomic size increases and electronegativity decreases,and thereby,the tendency to show catenation decreases. This can be clearly seen from bond enthalpy values. The order of catenation is $C \gg Si > Ge \approx Sn$. Lead does not show catenation.
Carbon atoms have the tendency to link with one another through covalent bonds to form chains and rings. This property is called catenation. This is because $C-C$ bonds are very strong. Down the group,the atomic size increases and electronegativity decreases,and thereby,the tendency to show catenation decreases. This can be clearly seen from bond enthalpy values. The order of catenation is $C \gg Si > Ge \approx Sn$. Lead does not show catenation.
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Which of the following is an incorrect match regarding the hydrolysis products of organosilicon chlorides?
Medium
View SolutionWhich one of the following statements is not correct?
Identify the correct statements:
$(I)$ Germanium exists only in traces.
$(II)$ The order of electronegativity of $Si, Ge, Sn$ is $Sn > Ge > Si$.
$(III)$ All group $14$ elements are available in solid state.
$(I)$ Germanium exists only in traces.
$(II)$ The order of electronegativity of $Si, Ge, Sn$ is $Sn > Ge > Si$.
$(III)$ All group $14$ elements are available in solid state.
Match the following:
| List-$I$ | List-$II$ |
| :--- | :--- |
| $A$. Carbon black | $I$. Electrodes in batteries |
| $B$. Graphite | $II$. Extraction of metals |
| $C$. Diamond | $III$. Abrasive |
| $D$. Activated charcoal | $IV$. Filler in automobile tyres |
| | $V$. Air conditioning system |
| List-$I$ | List-$II$ |
| :--- | :--- |
| $A$. Carbon black | $I$. Electrodes in batteries |
| $B$. Graphite | $II$. Extraction of metals |
| $C$. Diamond | $III$. Abrasive |
| $D$. Activated charcoal | $IV$. Filler in automobile tyres |
| | $V$. Air conditioning system |
In which of the following sets are allotropes of carbon correctly matched with their uses?
$i$. graphite - crucibles
$ii$. activated charcoal - water filters
$iii$. carbon black - fuel
The correct answer is
$i$. graphite - crucibles
$ii$. activated charcoal - water filters
$iii$. carbon black - fuel
The correct answer is
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