Which statement is correct? - Vidyadip

MCQ

Which statement is correct?

A
$m.p.$ of $H_2O, NH_3$ are maximum in their respective group due to intermolecular $H-$ bonding
B
$b.p. $ of $CH_4$ out of $CH_4 ,SiH_4 , GeH_4$ and $SnH_4$ is least due to weak intermolecular force of attraction
C
formic acid forms dimer by $H-$ bonding
✓
all are correct

✓

Answer

Correct option: D.

all are correct

d
$M.P.$ of $H _2 O , NH _3$ are maximum in their respective group due to intermolecular $H$-bonding.

$B.P.$ of $CH _4$ out of $CH _4, SiH _4, GeH _4$ and $SnH _4$ is least due to weak intermolecular force of attraction formic acid forms dimer by $H$-bonding.

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