MCQ
The two electrons in $K $ sub-shell will differ in
- APrincipal quantum number
- BAzimuthal quantum number
- CMagnetic quantum number
- ✓Spin quantum number
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(Given : $K_b$ of water $=0.5\ Kkg/mol$ . ; Atomic mass of $Ca =40$ , $Br =80$)
(ii) Silver metal does not react with $1 M$ zinc nitrate solution
(iii) Zinc metal dissolves in $1M$ copper sulphate solution and copper metal gets depositedHence the order of decreasing strength of the three metals as reducing agents will be