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Which one of the following statements about water is ?
(a)Water can act both as an acid and as a base.
(b)There is extensive intramolecular hydrogen bonding in the condensed phase.
(c)Ice formed by heavy water sinks in normal water.
(d)Water is oxidized to oxygen during photosynthesis.

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Important Questions on Chemical Bonding and Molecular Structure
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The species in which the atom is in a state of hybridization is:

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Total number of lone pair of electrons in on is:

EASY
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Which of the following are Lewis acids?

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Which of the following compounds contain(s) no covalent bond(s)?

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According to molecular orbital theory, which of the following will not be a viable molecule?

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According to molecular orbital theory, which of the following is true with respect to and ?

HARD
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In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?

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The type of hybridisation and number of lone pair(s) of electrons of in , respectively, are:
