Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Which one of the following statement is true for all the alkali metals ?

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

Oxide (M2O) and peroxides (M2O2 ) of alkali metals are diamagnetic.

b

All alkali metals bicarbonates exist in solid state.

c

Their nitrates decompose on heating to give NO2 and O2 gas.

d

Their carbonates decompose on heating to give CO2 and normal oxide.

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

 (a) 2LiNO3ΔLi2O+2NO2+12O2
But MnO3ΔMnO2+12O2
(M =Na, K, Rb, Cs)
 (b) M2CO3Δ They do not decompose 
(M =Na, K, Rb, Cs)
(c) M2O and M2O2are diamagnetic 
(d) Except LiHCO3 other alkali metal bicarbonate exist in solid state.

Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring
Which one of the following statement is true for all the alkali metals ?