Class 11th
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New answer posted
3 months agoContributor-Level 10
The number of Body centred unit cells in all 14 types of Bravais lattice unit cells is 3.
New answer posted
3 months agoContributor-Level 10
At room temperature Hg is liquid and it is purified by 'Distillation method'.
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3 months agoContributor-Level 10
BeCl? in solid state exist in a polymeric form & in a vapour state in exist in a dimeric form.
chain polymeric structure
Vapour state exist in a dimeric form
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3 months agoNew answer posted
3 months agoContributor-Level 10
| H – F | H – Cl | H – Br | H – I |
| :- | :- | :- | :- |
| 1s – 2p | 1s – 3p | 1s – 4p | 1s – 5p |
Down the group size increases
Overlapping decreases
Acidic strength increases
New answer posted
3 months agoContributor-Level 10
Noble gases have weak dispersion forces so their melting and boiling point are very low.
New answer posted
3 months agoContributor-Level 10
Correct sequence of bond enthalpy of C – X bond is
CH? – F > CH? – Cl > CH? – Br > CH? – I
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