HARD
11th CBSE
IMPORTANT
Earn 100

Which one of the following molecules will form a linear polymeric structure due to hydrogen bonding ?

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Important Questions on Chemical Bonding and Molecular Structure

HARD
11th CBSE
IMPORTANT
Which of the following is arranged in the increasing order of enthalpy of vaporisation ?
MEDIUM
11th CBSE
IMPORTANT
KF combines with HF to form KHF2. The compound contains the species
HARD
11th CBSE
IMPORTANT
Intramolecular hydrogen bonding is present in:
MEDIUM
11th CBSE
IMPORTANT
Which of the following halide is liquid at room temperature ?
HARD
11th CBSE
IMPORTANT
When electrons are contributed by one atom but shared by both the atoms so as to complete their octets, the bond formed is called _____.(covalent bond/coordinate bond/ionic bond)
HARD
11th CBSE
IMPORTANT
The energy released when gaseous positive and negative ions combine together to form an ionic bond is called _____(Lattice enthalpy/ Ionisation enthalpy).
HARD
11th CBSE
IMPORTANT
The Lewis dot structure of carbonate ion is _____ .
MEDIUM
11th CBSE
IMPORTANT
The shape of the molecule containing 3 bond pairs and one lone pair around the central atom is _____ (trigonal pyramidal / tetrahedral).