Published by:
CGP EDU Academic Team
Published on: August 13, 2026
How many of the following will turn moist red litmus blue and finally white?
Li 2 O, KO 3 , RbO 2 , Cs 2 O 2 , BeO, MgO, BaO 2 , SrO
Text Solution
Verified by ExpertsThe correct answer is:
4
4 (KO 3 , RbO 2 , Cs 2 O 2 , BaO 2 )
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 or +6 because
Why do alkali metals form unipositive ions and impart characteristic colours to flame?
Comment on the order of mobilities of the alkali metal ions in aqueous solution : Li + < Na + < K +…
Why is KO 2 paramagnetic ?
Draw the structure of BeCl 2 in solid and vapour state.
Explain why in anion of Na 2 CO 3 all bond lengths are equal ?