MCQ
The trivalent ion having largest size in lanthanide series is
- A$Ti$
- B$Zr$
- C$Hf$
- ✓$La$
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$[{R_H} = 1 \times {10^5}\,c{m^{ - 1}},\,h\, = 6.6\, \times {10^{ - 34}}\,Js\,\,c = 3\, \times \,{10^8}\,m{s^{ - 1}}]$
$HC \equiv CH\mathop {\xrightarrow{{NaN{H_2},C{H_3}COC{H_3}}}}\limits_{{H^ + }} X\mathop {\xrightarrow{{H{g^{2 + }},{H_3}{O^ + }}}}\limits_{{H_2}O} Z$ is
$NH_4HS(s) \rightleftharpoons NH_3 (g) + H_2S(g)$
If more $NH_4HS$ is added to the equilibrium
How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom ?