Download App

p -Block elements - ll — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
The valency of inert gases is
  • A
    $5$
  • B
    $1$
  • ✓
    $0$
  • D
    None of these
✓

Answer

Correct option: C.
$0$
c
Inert gasses are un-reactive due to complete duplicate/octet hence valency of inert gasses is zero.

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 "M.C.Q (1 Marks)" from p -Block elements - ll→p -Block elements - ll — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following is unsymmetrical ketone ?
→
The magnetic moment is associated with its spin angular momentum and orbital angular momentum. Spin only magnetic moment value of Cr3+ ion is ___________.
→
The reaction of white phosphorous with aqueous $NaOH$ gives phosphine along with another phosphorus containing compound. The reaction type; the oxidation states of phosphorous in phosphine and the other product are respectively
→
Which of the following is not an example of $\sigma  -$ bonded organometallic compound ?
→
An alcohol of formula $C_9H_{12}O$ reacts with  $Na_2Cr_2O_7$ to form a  compound having  formula $C_9H_{10}O$. The original alcohol might be 
→
Ammonia with excess of $Cl_2$, forms
→
The molar ionic conductance of the octahedral complexes :

$(i)$ $PtCl _{4} . 5 NH _{3}$   $(ii)$ $PtCl _{4} . 4 NH _{3}$   $(iii)$ $PtCl _{4} . 3 NH _{3}$   $(iv)$ $PtCl _{4}. 2 NH _{3}$

Follow the order

→
Which of the following aquated metal ions has the highest paramagnetism?
→
The diazonium salts are the reaction product in presence of excess of mineral acid with nitrous acid and:
→
Consider separate solutions of $0.500\, M\, C_2H_5OH\,(aq),$ $0.100\,M\,Mg_3(PO_4)_2\, (aq), $ $0.250\, M\,KBr\,(aq)$ and $0.125\, M\,Na_3PO_4\,(aq)$ at $25^o C.$ Which statement is true about these solutions, assuming all salts to be strong electrolytes ?
→