MCQ
Sides of match box have coating of
- APotassium chlorate, red lead
- BPotassium chlorate, antimony sulphide
- ✓Antimony sulphide, red phosphorus
- DAntimony sulphide, red lead
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${\left[ Co \left( NH _{3}\right)\right]^{3+}}$
${\left[ CoCl \left( NH _{3}\right)_{5}\right]^{2+}}$
${\left[ Co ( CN )_{6}\right]^{3-}}$
${\left[ Co \left( NH _{3}\right)_{5}\left( H _{2} O \right)\right]^{3+}}$
The spin-only magnetic moment value of the complex that absorbs light with shortest wavelength is $B.M.$ (Nearest integer)
$[I]$ Only $A, B$ and $C$ react with $1\,M\,HCl$ to give $H_2\,(g)$
$[II]$ When $C$ is added to solutions of the other metal ions, metallic $B$ and $D$ are formed.
$[III]$ Metal $C$ does not reduce $A^{n+}$