0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Assertion :Noble gases are considered unreactive elements. Reason: Group 18 elements have complete octet except Helium.
  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Both Assertion and Reason are incorrect

A
Both Assertion and Reason are incorrect
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Solution
Verified by Toppr

Group 18 elements have complete octet except He and they are inert in nature due to complete octet.(dont have any tendency to react)
177608_188693_ans.png

Was this answer helpful?
0
Similar Questions
Q1
Assertion :Noble gases are considered unreactive elements. Reason: Group 18 elements have complete octet except Helium.
View Solution
Q2

Assertion: The mass of Chlorine is 35.5 u

Reason: For elements having isotopes, the average of mass of its isotopes is considered as the atomic mass of that element.


View Solution
Q3
Assertion : Two electrons of helium atom are placed in only one shell but three electrons of lithium need two shells.
Reason: A shell can have maximum 2n2 electrons.
View Solution
Q4
Assertion: The compressibility factor for H2​ and He is (1+PbRT)
Reason: The compressibility factor for H2​ and He can be derived from Van der Waal's equation.
View Solution
Q5

Assertion: Be and Al have similar properties.

Reason: Be2+ and Al3+ have nearly the same charge/volume ratios and similar polarising power.


View Solution