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Chemistry Question on Partial pressure

The correct order of melting points of hydrides of group 16 elements is:

A

H2S<H2Se<H2Te<H2O H_2S < H_2Se < H_2Te < H_2O

B

H2O<H2S<H2Se<H2TeH_2O < H_2S < H_2Se < H_2Te

C

H2S<H2Te<H2Se<H2OH_2S < H_2Te < H_2Se < H_2O

D

H2Se<H2S<H2Te<H2OH_2Se < H_2S < H_2Te < H_2O

Answer

H2S<H2Se<H2Te<H2O H_2S < H_2Se < H_2Te < H_2O

Explanation

Solution

HydrideM.P.
H2OH_2O273 K
H2SH_2S188 K
H2SeH_2Se208 K
H2TeH_2Te222 K

So the correct order of melting points of hydrides of group 16 elements is:H2S<H2Se<H2Te<H2O H_2S < H_2Se < H_2Te < H_2O